Amplifiers electronic. Medical search

Electronic devices that increase the magnitude of a signal's power level or current.

Sensory cells of organ of Corti. In mammals, they are usually arranged in three or four rows, and away from the core of spongy bone (the modiolus), lateral to the INNER AUDITORY HAIR CELLS and other supporting structures. Their cell bodies and STEREOCILIA increase in length from the cochlear base toward the apex and laterally across the rows, allowing differential responses to various frequencies of sound.

The part of the inner ear (LABYRINTH) that is concerned with hearing. It forms the anterior part of the labyrinth, as a snail-like structure that is situated almost horizontally anterior to the VESTIBULAR LABYRINTH.

A basement membrane in the cochlea that supports the hair cells of the ORGAN OF CORTI, consisting keratin-like fibrils. It stretches from the SPIRAL LAMINA to the basilar crest. The movement of fluid in the cochlea, induced by sound, causes displacement of the basilar membrane and subsequent stimulation of the attached hair cells which transform the mechanical signal into neural activity.

The ability or act of sensing and transducing ACOUSTIC STIMULATION to the CENTRAL NERVOUS SYSTEM. It is also called audition.

Methods of creating machines and devices.

Determination of the quantity of a material present in a mixture by measurement of its effect on the electrical conductivity of the mixture. (Webster, 3d ed)

The evaluation of incidents involving the loss of function of a device. These evaluations are used for a variety of purposes such as to determine the failure rates, the causes of failures, costs of failures, and the reliability and maintainability of devices.

The study, control, and application of the conduction of ELECTRICITY through gases or vacuum, or through semiconducting or conducting materials. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)

Water-soluble, copper-containing low molecular weight polypeptides obtained from the culture medium of Streptomyces verticillus. They are specific inhibitors of DNA synthesis in bacteria and have been found to act as antitumor agents. They have also been used against rust fungi of plants.

The forces and principles of action of matter and energy.

Any device or element which converts an input signal into an output signal of a different form. Examples include the microphone, phonographic pickup, loudspeaker, barometer, photoelectric cell, automobile horn, doorbell, and underwater sound transducer. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)

DNA or RNA bound to a substrate thereby having fixed positions.

Devices for accelerating charged particles in a spiral path by a constant-frequency alternating electric field. This electric field is synchronized with the movement of the particles in a constant magnetic field.

Self-generated faint acoustic signals from the inner ear (COCHLEA) without external stimulation. These faint signals can be recorded in the EAR CANAL and are indications of active OUTER AUDITORY HAIR CELLS. Spontaneous otoacoustic emissions are found in all classes of land vertebrates.

Electrical devices that are composed of semiconductor material, with at least three connections to an external electronic circuit. They are used to amplify electrical signals, detect signals, or as switches.

Head to tail array of covalently joined DNA sequences generated by concatenation. Concatenated DNA is attached end to end in contrast to CATENATED DNA which is attached loop to loop.

Materials that have a limited and usually variable electrical conductivity. They are particularly useful for the production of solid-state electronic devices.

The electric response of the cochlear hair cells to acoustic stimulation.

Electric conductors through which electric currents enter or leave a medium, whether it be an electrolytic solution, solid, molten mass, gas, or vacuum.

The resistance to the flow of either alternating or direct electrical current.

Proteins that are involved in or cause CELL MOVEMENT such as the rotary structures (flagellar motor) or the structures whose movement is directed along cytoskeletal filaments (MYOSIN; KINESIN; and DYNEIN motor families).

Sensory cells in the organ of Corti, characterized by their apical stereocilia (hair-like projections). The inner and outer hair cells, as defined by their proximity to the core of spongy bone (the modiolus), change morphologically along the COCHLEA. Towards the cochlear apex, the length of hair cell bodies and their apical STEREOCILIA increase, allowing differential responses to various frequencies of sound.

A class of devices combining electrical and mechanical components that have at least one of the dimensions in the micrometer range (between 1 micron and 1 millimeter). They include sensors, actuators, microducts, and micropumps.

Computer-assisted processing of electric, ultrasonic, or electronic signals to interpret function and activity.

A subfamily of the Muridae consisting of several genera including Gerbillus, Rhombomys, Tatera, Meriones, and Psammomys.

Any visible result of a procedure which is caused by the procedure itself and not by the entity being analyzed. Common examples include histological structures introduced by tissue processing, radiographic images of structures that are not naturally present in living tissue, and products of chemical reactions that occur during analysis.

The use of computers for designing and/or manufacturing of anything, including drugs, surgical procedures, orthotics, and prosthetics.

A mechanism of communication within a system in that the input signal generates an output response which returns to influence the continued activity or productivity of that system.

A specialized field of physics and engineering involved in studying the behavior and properties of light and the technology of analyzing, generating, transmitting, and manipulating ELECTROMAGNETIC RADIATION in the visible, infrared, and ultraviolet range.

The process by which cells convert mechanical stimuli into a chemical response. It can occur in both cells specialized for sensing mechanical cues such as MECHANORECEPTORS, and in parenchymal cells whose primary function is not mechanosensory.

A mechanism of communication with a physiological system for homeostasis, adaptation, etc. Physiological feedback is mediated through extensive feedback mechanisms that use physiological cues as feedback loop signals to control other systems.

The audibility limit of discriminating sound intensity and pitch.

Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment.

Use of sound to elicit a response in the nervous system.

T-cell enhancement of the B-cell response to thymic-dependent antigens.

Theoretical representations that simulate the behavior or activity of systems, processes, or phenomena. They include the use of mathematical equations, computers, and other electronic equipment.

The voltage differences across a membrane. For cellular membranes they are computed by subtracting the voltage measured outside the membrane from the voltage measured inside the membrane. They result from differences of inside versus outside concentration of potassium, sodium, chloride, and other ions across cells' or ORGANELLES membranes. For excitable cells, the resting membrane potentials range between -30 and -100 millivolts. Physical, chemical, or electrical stimuli can make a membrane potential more negative (hyperpolarization), or less negative (depolarization).

Electrodes with an extremely small tip, used in a voltage clamp or other apparatus to stimulate or record bioelectric potentials of single cells intracellularly or extracellularly. (Dorland, 28th ed)

The intracellular transfer of information (biological activation/inhibition) through a signal pathway. In each signal transduction system, an activation/inhibition signal from a biologically active molecule (hormone, neurotransmitter) is mediated via the coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal transduction plays an important role in activating cellular functions, cell differentiation, and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell activation pathway, and the receptor-mediated activation of phospholipases. Those coupled to membrane depolarization or intracellular release of calcium include the receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic potentiation of protein kinase activation. Some signal transduction pathways may be part of larger signal transduction pathways; for example, protein kinase activation is part of the platelet activation signal pathway.

An optical source that emits photons in a coherent beam. Light Amplification by Stimulated Emission of Radiation (LASER) is brought about using devices that transform light of varying frequencies into a single intense, nearly nondivergent beam of monochromatic radiation. Lasers operate in the infrared, visible, ultraviolet, or X-ray regions of the spectrum.

A continuing periodic change in displacement with respect to a fixed reference. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)

Evaluation and design of a small portable EMG amplifier with potential RMS output. (1/93)

The present study attempted to design and evaluate a small portable electromyogram (EMG) amplifier that can output enhanced EMG and its root mean square (RMS) value. The production and design were of a laboratory scale without any special or high cost circuit construction. The designed amplifier was actually innovated according to the actual working conditions based on physiological anthropology. The present amplifier was compared with commercially available products and proved to be of practical use. The device was installed with a sufficiently small body depicting 8-channel variable gain AC amplifier and variable time-window RMS-to-DC converter. The prototype was battery-driven and well-shielded to minimize external noise interference. (+info)

Versatile, high-speed force transducer using a laser diode beam as an optical lever. (2/93)

A force transducer with variable sensitivity and speed is described. Its moving element is a cantilever beam that projects vertically into a muscle bath. A brace constrains bending of the beam to a short, proximal "hinge." Rotation of the beam about the hinge is amplified 30-fold by an optical lever consisting of a laser diode beam reflected from a mirror on the cantilever to a photodiode pair. This design places the electrical components at a distance from the damp environment of the muscle bath. Large changes in sensitivity and speed can be obtained by substituting different cantilevers. Smaller changes can be made by varying the length of the hinge. A transducer with a 6-mm cantilever optimized for the study of single, skinned skeletal muscle fibers is described in detail. This device had a resonant frequency of 22 kHz and sensitivity such that the total root-mean-square noise in the circuit was more than 500-fold smaller than the expected maximum force. Variations of this device with orders of magnitude different sensitivities are also described. (+info)

The impact of hearing on communication. (3/93)

The study was designed to assess the impact of hearing impairment on communication between older hospital patients and medical staff and to see whether intervention to improve hearing influences perceived communication. Structured interviews were held with 200 mentally alert elderly hospital in-patients before and after the introduction of voice amplifiers and acetate cards depicting a hearing problem. Prior to intervention 22% of patients rated communication with their doctor as poor or unsatisfactory. Following intervention there was a significant improvement (Chi-square p=0.006), with only 6% of patients reporting communication with their doctor as poor or unsatisfactory. Most of the patients who felt communication was unsatisfactory could not hear what was being said. We conclude that simple measures can improve the number of older patients hearing what their doctor says and improve their perception of communication with the hospital doctor. (+info)

Detection of ventricular fibrillation in implantable defibrillators with automatic gain control amplifiers: effects of programming sensitivity. (4/93)

AIMS: In newer implantable cardioverter-defibrillators with automatic gain control amplifiers the maximum possible sensitivity is programmed with the aim of securing optimal detection of ventricular fibrillation. This study was designed to prove that a reduction in maximum sensitivity is safe with respect to appropriate sensing of ventricular fibrillation, while avoiding sensing of extracardiac signals. METHODS AND RESULTS: Forty-two consecutive patients, undergoing defibrillator implantation/replacement with programmable maximum auto-gain sensing sensitivity (Ventak Mini III, Ventak AV , Guidant, St. Paul, MN, U.S.A.), were prospectively investigated. Thirty-four patients were implanted with a dual-coil lead system, providing integrated bipolar sensing (Endotak, Guidant, St. Paul, MN, U.S.A.), eight patients received a single-coil lead system with true bipolar sensing (Sprint, Medtronic, Minneapolis, MN, U.S.A.). During device implantation and pre-discharge testing, arrhythmia detection times of induced ventricular fibrillation were compared at programmed maximum (0.18 mV) and minimum (0.43 mV) sensitivity in a randomized manner. Seventy-six induced episodes of ventricular fibrillation were analysed. The mean arrhythmia detection times did not differ between the programmed sensing levels (maximum sensitivity: 1612 +/- 307 ms, vs minimal sensitivity: 1,602 +/- 330 ms; P = ns). The results were not affected by the type of implanted lead system (integrated bipolar versus true bipolar sensing). CONCLUSION: In the implantable defibrillator devices, reduction in maximum sensitivity did not impair the detection of induced episodes of ventricular fibrillation. (+info)

Sensitive calibration and measurement procedures based on the amplification principle in motion perception. (5/93)

We compare two types of sampled motion stimuli: ordinary periodic displays with modulation amplitude m(o=e) that translate 90 degrees between successive frames and amplifier sandwich displays. In sandwich displays, even-numbered frames are of one type, odd-numbered frames are of the same or different type, and (1) both types have the same period, (2) translate in a consistent direction 90 degrees between frames, and (3) even frames have modulation amplitude m(e), odd frames have modulation amplitude m(o). In both first-order motion (van Santen, J.P.H. & Sperling, G. (1984). Temporal covariance model of human motion perception. Journal of the Optical Society of America A, 1, 451-73) and second-order motion (Werkhoven, P., Sperling, G., & Chubb, C. (1993). Motion perception between dissimilar gratings: a single channel theory. Vision Research, 33, 463-85) the motion strength of amplifier sandwich displays is proportional to the product m(o)m(e) for a wide range of m(e). By setting m(e) to a large value, an amplifier sandwich stimulus with a very small value of m(o) can still produce visible motion. The amplification factor is the ratio of two threshold modulation amplitudes: ordinary circumflexm(o=e) over amplified circumflexm(o), circumflexm(o=e)/circumflexm(o). We find amplification factors of up to about 8x. Light adaptation and contrast gain control in early visual processing distort the representations of visual stimuli so that inputs to subsequent perceptual processes contain undesired distortion products or 'impurities'. Motion amplification is used to measure and thence to reduce these unwanted components in a stimulus to a small fraction of their threshold. Such stimuli are certifiably pure in the sense that the residual impurity is less than a specified value. Six applications are considered: (1) removing (first-order) luminance contamination from moving (second-order) texture gratings; (2) removing luminance contamination from moving chromatic gratings to produce pure isoluminant gratings; (3) removing distortion products in luminance-modulated (first-order) gratings - by iterative application, all significant distortion products can be removed; (4) removing second-order texture contamination from third-order motion displays; (5) removing feature bias from third-order motion displays; (6) and the same general principles are applied to texture-slant discrimination in which x,y spatial coordinates replace the x,t motion coordinates. In all applicable domains, the amplification principle provides a powerful assay method for the precise measurement of very weak stimuli, and thereby a means of producing visual displays of certifiable purity. (+info)

Improving the classroom listening skills of children with Down syndrome by using sound-field amplification. (6/93)

Many children with Down syndrome have fluctuating conductive hearing losses further reducing their speech, language and academic development. It is within the school environment where access to auditory information is crucial that many children with Down syndrome are especially disadvantaged. Conductive hearing impairment which is often fluctuating and undetected reduces the child's ability to extract the important information from the auditory signal. Unfortunately, the design and acoustics of the classroom leads to problems in extracting the speech signal through reduced speech intensity due to the increased distance of the student from the teacher in addition to masking from excessive background noise. One potential solution is the use of sound-field amplification which provides a uniform amplification to the teacher's voice through the use of a microphone and loudspeakers. This investigation examined the efficacy of sound-field amplification for 4 children with Down syndrome. Measures of speech perception were taken with and without the sound-field system and found that the children perceived significantly more speech in all conditions where the sound-field system was used (p < .0001). Importantly, listening performance with the sound-field system was not affected by reducing the signal-to-noise ratio through increasing the level of background noise. In summary, sound-field amplification provides improved access to the speech signal for children with Down syndrome and as a consequence leads to improved classroom success. (+info)

Electrical engineering and nontechnical design variables of multiple inductive loop systems for auditoriums. (7/93)

This research analyzed both engineering and nontechnical issues involved in the use of Induction Loop Amplification (ILA) devices in auditoriums or large gathering places for hard-of-hearing individuals. A variety of parameters need to be taken into account to determine an optimal shape/configuration for the ILA device. In many cases, an optimal configuration is different from those proposed for classroom use (Ross, 1969; Hodgson, 1986; Clevenger, 1992). Experimental results were obtained for a double-loop configuration in such a setting (a university gymnasium/auditorium in this case). The results demonstrate that a double-loop configuration is a viable possibility for auditorium use. Several variables using this configuration were examined, and experimentation was done. Various implications, including consequent nontechnical issues specific to this application, are discussed as well. Technical and nontechnical aspects of the ILA configuration need to be examined together when designing an optimal system. (+info)

The cochlear amplifier: augmentation of the traveling wave within the inner ear. (8/93)

PURPOSE OF REVIEW: There have been many recent advancements in our understanding of cochlear function within the past ten years. In particular, several mechanisms that underlie the sensitivity and sharpness of mammalian tuning have been discovered. This review focuses on these issues. RECENT FINDINGS: The cochlear amplifier is essentially a positive feedback loop within the cochlea that amplifies the traveling wave. Thus, vibrations within the organ of Corti are sensed and then force is generated in synchrony to increase the vibrations. Mechanisms that generate force within the cochlea include outer hair cell electromotility and stereociliary active bundle movements. These processes can be modulated by the intracellular ionic composition, the lipid constituents of the outer hair cell plasma membrane, and the structure of the outer hair cell cytoskeleton. SUMMARY: A thorough understanding of the cochlear amplifier has tremendous implications to improve human hearing. Sensorineural hearing loss is a common clinical problem and a common site of initial pathology is the outer hair cell. Loss of outer hair cells causes loss of the cochlear amplifier, resulting in progressive sensorineural hearing loss. (+info)

ISBN 978-81-7758-643-5. Allen Mottershead (2003). Electronic Devices and circuits. Prentice-Hall of India, New Delhi-110001. ... A FET amplifier is an amplifier that uses one or more field-effect transistors (FETs). The most common type of FET amplifier is ... Audio power amplifier LDMOS Power electronics Power semiconductor device Power MOSFET RF power amplifier Thomas L. Floyd (2011 ... This is similar to a bipolar junction transistor (BJT) amplifier.) The gate is common to both input and output. The source is ...

https://en.wikipedia.org/wiki/FET_amplifier

Electronic amplifiers). ... It is derived from the current feedback amplifier (CFA). The ... A current differencing buffered amplifier (CDBA) is a multi-terminal active component with two inputs and two outputs and ... Acar, C., and Ozoguz, S., "A new versatile building block: current differencing buffered amplifier suitable for analog signal ... therefore CDBA element can be considered as a special type of current feedback amplifier with differential current input and ...

https://en.wikipedia.org/wiki/Current_differencing_buffered_amplifier

An audio power amplifier (or power amp) is an electronic amplifier that amplifies low-power electronic audio signals, such as ... Instrument amplifiers including guitar amplifiers and electric keyboard amplifiers also use audio power amplifiers. In some ... Most audio amplifiers are linear amplifiers operating in class AB. Until the 1970s, most amplifiers used vacuum tubes. During ... FET amplifier Instrument amplifier (amplifiers for musical instruments) Push-pull output Single-ended triode Tone control ...

https://en.wikipedia.org/wiki/Audio_power_amplifier

Operational transresistance amplifier using CMOS technology. Electronic Letters., 28, 22 (1992), 2087-2088. (Electronic ... Current differencing transconductance amplifier (CDTA) is a new active circuit element. The CDTA is not free from parasitic ... Current-mode KHN filter employing current differencing transconductance amplifiers, AEU - International Journal of Electronics ... can be thought as a combination of a current differencing unit followed by a dual-output operational transconductance amplifier ...

https://en.wikipedia.org/wiki/Current_differencing_transconductance_amplifier

Multiple electronic amplifiers can be connected such that they drive a single floating load (bridge) or a single common load ( ... This would turn the stereo amplifier into a mono amplifier. Some two channel amplifiers, or stereo amplifiers, have the built ... A paralleled amplifier configuration uses multiple amplifiers in parallel, i.e., two or more amplifiers operating in-phase into ... each amplifier sees an equivalent of 8 ohm since the output current is now shared by both amplifiers - each amplifier supplies ...

https://en.wikipedia.org/wiki/Bridged_and_paralleled_amplifiers

... Pioneer What's The Difference Between Operational Amplifiers And Instrumentation Amplifiers?, Electronic ... An operational amplifier (often op amp or opamp) is a DC-coupled high-gain electronic voltage amplifier with a differential ... amplifier Negative feedback amplifier Op-amp swapping Operational amplifier applications Operational transconductance amplifier ... Other types of differential amplifier include the fully differential amplifier (similar to the op amp, but with two outputs), ...

https://en.wikipedia.org/wiki/Operational_amplifier

"Class B Amplifier - Class-B Transistor Amplifier Electronic Amplifier Tutorial". Basic Electronics Tutorials. 2013-07-25. ... Tuite, Don (March 21, 2012). "Understanding Amplifier Classes". Electronic Design (March, 2012). "Class AB Power Amplifiers". ... Class-T amplifier Class-XD Amplifier "Understanding Amplifier Operating "Classes"". electronicdesign.com. Retrieved 2016-06-20 ... class-D amplifiers are typically smaller than an equivalent class-AB amplifier. Another advantage of the class-D amplifier is ...

https://en.wikipedia.org/wiki/Power_amplifier_classes

Off-the-shelf amplifiers available in 1947 were not fit for the task. At the same time, electronic components markets were ... The Williamson amplifier is a four-stage, push-pull, Class A triode-output valve audio power amplifier designed by D. T. N. ... The Williamson amplifier is a four-stage, push-pull, class A triode valve amplifier built around a high quality, wideband ... According to Peter Stinson, this alone is not sufficient to be called a Williamson amplifier. A true Williamson amplifier must ...

https://en.wikipedia.org/wiki/Williamson_amplifier

A negative-feedback amplifier (or feedback amplifier) is an electronic amplifier that subtracts a fraction of its output from ... Electronic amplifiers use current or voltage as input and output, so four types of amplifier are possible (any of two possible ... Amplifier gain decreases. Input and output impedances of a negative-feedback amplifier (closed-loop amplifier) become sensitive ... circuits Operational amplifier presents the basic op-amp non-inverting amplifier and inverting amplifier Operational amplifier ...

https://en.wikipedia.org/wiki/Negative-feedback_amplifier

Noise is an undesirable but inevitable product of the electronic devices and components; also, much noise results from ... if the amplifier is an audio amplifier) sounds much less unpleasant to the ear. For these amplifiers, the 1 dB compression ... In more efficient amplifiers there is less loss of energy so in turn less heat. In RF linear Power Amplifiers, such as cellular ... An ideal amplifier would be a totally linear device, but real amplifiers are only linear within limits. When the signal drive ...

https://en.wikipedia.org/wiki/Amplifier_figures_of_merit

An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a ... Electronics portal Charge transfer amplifier CMOS amplifiers Current sense amplifier Distributed amplifier Doherty amplifier ... The maser is a non-electronic microwave amplifier. Instrument amplifiers are a range of audio power amplifiers used to increase ... Wikimedia Commons has media related to Electronic amplifiers. AES guide to amplifier classes "Amplifier Anatomy - Part 1" (PDF ...

https://en.wikipedia.org/wiki/Amplifier

Amplifiers Electronic amplifier Whitaker, Jerry C. (2002). The RF transmission systems handbook. CRC Press. ISBN 978-0-8493- ... Articles with short description, Short description matches Wikidata, Electronic amplifiers, Linear electronic circuits). ... Because of the digital train used to drive the amplifier, many do not consider the Class-D amplifier a linear amplifier, yet ... A linear amplifier is an electronic circuit whose output is proportional to its input, but capable of delivering more power ...

https://en.wikipedia.org/wiki/Linear_amplifier

A fully differential amplifier (FDA) is a DC-coupled high-gain electronic voltage amplifier with differential inputs and ... Active filter Analog computer Current-feedback operational amplifier Instrumentation amplifier Operational amplifier ... amplifier Fully-Differential Amplifiers (TI Application Report) Fully Differential Amplifiers (TI Analog Applications Journal ... "Fully differential amplifiers", 2000. Michael Steffes. "Wideband fully differential amplifier noise improved using active match ...

https://en.wikipedia.org/wiki/Fully_differential_amplifier

CS1 maint: url-status, Electronic amplifiers, Valve amplifiers). ... The Doherty amplifier is a modified class B radio frequency ... In Doherty's day, within the Western Electric product line, the eponymous electronic device was operated as a linear amplifier ... The amplifier was usually configured as a grounded-cathode, carrier-peak amplifier using two vacuum tubes in parallel ... "The Doherty Amplifier: New After 70 Years", Microwave product digest, August 2007 "What is a Doherty Amplifier?". Electronics ...

https://en.wikipedia.org/wiki/Doherty_amplifier

Electronic Principles Paul E. Gray, Campbell Searle, pg. 641 The Art of Electronics, Horowitz and Hill Lafevre, K. (2012). ... At low frequencies the feedback factor β has little effect on the amplifier response. The amplifier response will be close to ... and consequently a higher gain from the operational amplifier is needed, demanding an operational amplifier with a high gain- ... The transimpedance amplifier presents a low impedance to the photodiode and isolates it from the output voltage of the ...

https://en.wikipedia.org/wiki/Transimpedance_amplifier

A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power ... Magnetic amplifiers were limited to below roughly 200kHz. Hydraulic amplifiers were not directly useful as electronic devices. ... All amplifier circuits are classified by "class of operation" as A, B, AB and C etc. See power amplifier classes. Some ... Until the invention of the transistor in 1947, most practical high-frequency electronic amplifiers were made using thermionic ...

https://en.wikipedia.org/wiki/Valve_amplifier

On VLSI Circuits Digest of Technical Papers: 86-89.. Microwaves101.com - Distributed amplifiers (Electronic amplifiers, ... For a distributed amplifier the input is fed in series into the amplifiers and parallel out of them. To avoid losses in the ... The single amplifiers can be of any class. There may be some synergy between distributed class E/F amplifiers and some phase- ... Distributed amplifiers are circuit designs that incorporate transmission line theory into traditional amplifier design to ...

https://en.wikipedia.org/wiki/Distributed_amplifier

A Norton amplifier or current differencing amplifier (CDA) is an electronic amplifier with two low impedance current inputs and ... v t e (Electronic amplifiers, All stub articles, Electronics stubs). ... The Norton amplifier can be regarded as the dual of the operational transconductance amplifier (OTA) which takes a differential ... A norton amplifier is a current controlled voltage source (CCVS) controlled by the difference of two input currents. ...

https://en.wikipedia.org/wiki/Norton_amplifier

The charge-transfer amplifier (CTA) is an electronic amplifier circuit. Also known as transconveyance amplifiers, CTAs amplify ... CTAs are clocked, or sampling, amplifiers. They consume zero static power and can be designed to consume (theoretically) ... Comparator Mixed-signal integrated circuit Charge amplifier v t e (Articles lacking sources from December 2009, All articles ... lacking sources, Electronic amplifiers, All stub articles, Electronics stubs). ...

https://en.wikipedia.org/wiki/Charge-transfer_amplifier

A guitar amplifier (or amp) is an electronic device or system that strengthens the electrical signal from a pickup on an ... In the simplest, least expensive amplifiers, this 1/4" jack is the only jack on the amplifier. More expensive amplifiers may ... The two common guitar amplifier configurations are a combination ("combo") amplifier that includes an amplifier and one or more ... some acoustic amplifier manufacturers use lightweight Class D amplifiers, which are also called "switching amplifiers." ...

https://en.wikipedia.org/wiki/Guitar_amplifier

Articles with short description, Short description is different from Wikidata, Good articles, Electronic amplifiers, Signal ... A double-tuned amplifier is a tuned amplifier with transformer coupling between the amplifier stages in which the inductances ... Cascading multiple stages of double-tuned amplifiers results in a reduction of the bandwidth of the overall amplifier. Two ... The circuit can be represented in a more generic way by replacing the amplifiers with a generalised transconductance amplifier ...

https://en.wikipedia.org/wiki/Double-tuned_amplifier

ISBN 0-471-98609-7. Noise Figure of lossy stage TMA test equipment (Electronic amplifiers, Mobile technology). ... A Tower Mounted Amplifier (TMA), or Mast Head Amplifier (MHA), is a low-noise amplifier (LNA) mounted as close as practical to ... The third amplifier's temperature is influencing even less, as it is reduced by its preceding amplifier gains G 1 {\ ... The power to feed the amplifier (in the top of the mast) is usually a DC component on the same coaxial cable that feeds the ...

https://en.wikipedia.org/wiki/Tower_Mounted_Amplifier

Solid-state electronic amplifiers can be more compact and efficient than magnetic amplifiers. The bias and feedback windings ... This complicates the design of multistage amplifiers when compared with electronic devices. Magnetic amplifiers introduce ... The electronic watchdogs that keep the Triton's powerful nuclear plant operating without a hitch are magnetic amplifiers - ... The gain available from a single stage is limited and low compared to electronic amplifiers. Frequency response of a high-gain ...

https://en.wikipedia.org/wiki/Magnetic_amplifier

RF is outside the scope of this article, see valve amplifier). Among the first applications of sound recording and electronic ... A valve audio amplifier (UK) or vacuum tube audio amplifier (US) is a valve amplifier used for sound reinforcement, sound ... Amplifier Audio amplifier Valve sound Valve amplifier "Class AB Power Supply Ripple". Mullard ECH83, EBF83 are but two such ... amplifiers. While solid-state devices prevail in most audio amplifiers today, valve audio amplifiers are still used where their ...

https://en.wikipedia.org/wiki/Valve_audio_amplifier

An amplifier is a device for increasing the power of an electronic signal. Amplifier may also refer to: Fluidic amplifier ... Mechanical amplifier Optical amplifier Pneumatic amplifier Torque amplifier Amplifier (band), an English rock band Amplifier ( ... Amplifier album), 2004 Amplifier (Dance Exponents album), 1986 "Amplifier", a song by Imran Khan, 2009 "Amplifier", a song by ... Manafest from the 2017 album Stones All pages with titles beginning with Amplifier All pages with titles containing Amplifier ...

https://en.wikipedia.org/wiki/Amplifier_(disambiguation)

NOPA and Group Velocity Rainbow in photo (Nonlinear optics, Electronic amplifiers, Laser science). ... The optical parametric amplifier has a wider bandwidth than a -amplifier, which in turn has a wider bandwidth than an optical ... The term parametric amplifier is used because the parameters of the circuit are varied. The optical case uses the same basic ... An optical parametric amplifier, abbreviated OPA, is a laser light source that emits light of variable wavelengths by an ...

https://en.wikipedia.org/wiki/Optical_parametric_amplifier

A low-noise amplifier (LNA) is an electronic amplifier that amplifies a very low-power signal without significantly degrading ... An amplifier will increase the power of both the signal and the noise present at its input, but the amplifier will also ... Low noise amplifiers are the building blocks of communication systems and instruments. The most important LNA specifications or ... LNAs are found in radio communications systems, medical instruments and electronic test equipment. A typical LNA may supply a ...

https://en.wikipedia.org/wiki/Low-noise_amplifier

Operational Amplifiers; Power Supplies; ac Current, Voltage, and Impedance; Digital Circuits; and Electronic Measurement and ... Electronic Circuits and Applications (1 ed.). New York, London, Sydney, Toronto: John Wiley & Sons, Inc. pp. viii-ix, 44-46 [45 ... 3] "INA 326/INA 327 - Precision, Rail-to-Rail I/O Instrumentation Amplifier" (PDF). Burr-Brown / Texas Instruments. 2018 [ ... "Electronic Circuits and Applications",[G] which evolved from their introductory electronics course at Massachusetts Institute ...

https://en.wikipedia.org/wiki/Parallel_(operator)

A charge amplifier is an electronic current integrator that produces a voltage output proportional to the integrated value of ... Some Guitar pickup amplifiers also use charge amplifiers. Advantages of charge amplifiers include: Enables quasistatic ... The charge amplifier was invented by Walter Kistler in 1950. Charge amplifiers are usually constructed using an operational ... Interface Circuits for Polyvinylidene fluoride film Schematic diagram Piezo signal conditioners tutorial (Electronic amplifiers ...

https://en.wikipedia.org/wiki/Charge_amplifier

"Electronic Devices And Circuits", 2nd ed, pg. 176-177 M. Reisch "High-Frequency Bipolar Transistor", pg. 248 J.G. Linvill " ... Differential Amplifiers. New York, Wiley-Interscience, 1970, ISBN 0-471-29724-0. The Electronics Designers Handbook. McGraw- ... He also contributed significantly to early work in electronic ignition circuits at Ford Sci. Labs, found in all modern-day ...

https://en.wikipedia.org/wiki/Lawrence_J._Giacoletto

... electronic distortion."[dubious - discuss] Jacobs made his first released recordings in 1947 for Bernard Abrams' tiny Ora-Nelle ... who had also begun using the newly available amplifier technology around the same time solely for added volume, Little Walter ... purposely pushed his amplifiers beyond their intended technical limitations, using the amplification to explore and develop ... microphone in his hands along with his harmonica and plugged the microphone into a public address system or guitar amplifier. ...

https://en.wikipedia.org/wiki/Little_Walter

Consider a microwave amplifier with a 50-ohm impedance with a 50-ohm resistor connected to the amplifier input. If the resistor ... Electronic engineering). ... where G is the amplifier power gain, and Tamp is the amplifier ... The x intercept of the line is equal to the negative of the amplifier noise temperature −Tamp in kelvins. The amplifier noise ... The noise power at the output of the amplifier (i.e. the noise power coupled to an impedance-matched load that is connected to ...

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Linear filter E. Cauer, p4 Matthaei, pp83-84 Matthaei et al., pp85-108 Butterworth, S, "On the Theory of Filter Amplifiers", ... Use dmy dates from November 2013, Network synthesis filters, Linear filters, Filter theory, Analog circuits, Electronic design) ...

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In 1998, an electronic upgrade kit was released for pre-1993 instruments which included lighter-weight tuner buttons, nickel- ... PRS introduces a range of amplifiers and acoustic guitars in 2009. In 2013, PRS added the S2 Series and in February 2018 PRS ... I put in our whole tuning-peg/bridge system and a new electronic system with an Alembic Stratoblaster pre-amp. It sounded ... Paul Reed Smith Guitars, also known as PRS Guitars, is an American guitar and amplifier manufacturer located in Stevensville, ...

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... each amplifier may be considered as an active inverting feedback network for the other inverting amplifier. Thus the two stages ... The first electronic flip-flop was invented in 1918 by the British physicists William Eccles and F. W. Jordan. It was initially ... which are an essential part of many electronic devices. The advantage of the D flip-flop over the D-type "transparent latch" is ... Electronic engineering, Digital systems, Logic gates, Computer memory). ...

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In power amplifiers this can cause the plates to glow red, or current limiting resistors to overheat, even fail. Similar ... Service procedures for electronic devices usually include instructions to discharge large or high-voltage capacitors, for ... In car audio systems, large capacitors store energy for the amplifier to use on demand. Also, for a flash tube, a capacitor is ... It is a passive electronic component with two terminals. The effect of a capacitor is known as capacitance. While some ...

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After Rachel's escape, Bass cooperated with Randall Flynn, who has a supply of pendants and amplifiers, allowing vehicles and ... the project's failure had the unintended outcome of suppressing all electronic activity within a given radius. After the U.S. ... Strausser is killed by her after he threatens to kill her children in order to motivate her to complete an amplifier. Priscilla ... who worked with him in the Department of Defense in the continued production of pendants and amplifiers to further his own ...

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... a type of optical drive that can read CDs and DVDs A guitar amplifier incorporating one or more loudspeakers in the same case ... as the electronics Combo organ, a type of portable electronic organ popular in the 1960s Combo box, a widget in computer ...

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One problem with some cable systems is the older amplifiers placed along the cable routes are unidirectional thus in order to ... the electronic communications highway. New York, Harper & Row, 1972. ISBN 0-06-090243-4 Herrick, Dennis F. (2012). Media ... The bandwidth of the amplifiers also was limited, meaning frequencies over 250 MHz were difficult to transmit to distant ... from which cables branch out to a series of signal amplifiers and line extenders. These devices carry the signal to customers ...

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Amplifiers: Mesa Boogie Lonestar with custom white Tolex through a Mesa Boogie 2X12" extension cabinet Fender Twin Reverb (used ... except the electronic interludes.) Dave is also known for his use of the Line 6 DL-4 delay modeller's sampler capability. The ...

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Each oscillator has its own digital filter, amplifier, amp envelope, general purpose envelope, two LFOs, and numerous ... "KORG iWavestation", Korg.com Bibliography Jungleib, Stanley (November 1986). "Introduction to Vector Synthesis". Electronic ... with a non-resonant low-pass filter and an amplifier block for each oscillator. Modulators, LFOs and envelope generators were ...

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"Microsemi Wins China Electronic Market Magazine's Editor's Choice Award for its Adaptec Series 8E Adapter Solutions". ... Diodes and JFETs RF Transceivers Ultra Low Power Wearable Radio Implantable Radio WLAN RF Front End Power Amplifiers LNAs FEMs ... In March 2018, Microsemi's PolarFire FPGA was named "2017 Product of the Year" by Electronic Products China and 21ic.com. In ... "Microsemi's PolarFire FPGA Named "2017 Product of the Year" by Electronic Products China and 21ic.com". Retrieved 23 March 2018 ...

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Before that, all electronic equipment used vacuum tubes, because vacuum tubes were the only electronic components that could ... In 1961, a company named Transis-tronics released a solid-state amplifier, the TEC S-15. The replacement of bulky, fragile, ... in which the electronic action of devices occurred in a solid state, from previous electronic equipment that used vacuum tubes ... Other examples of solid state electronic devices are the microprocessor chip, LED lamp, solar cell, charge coupled device (CCD ...

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... classical and electronic music as sources for inspiration. In an interview with Amplifier Magazine, Donovan states: "The idea ... Sea of Stories is an electronic album featuring the single, "So Cruel", "Ship Is Coming In" and "How's It Gonna Be?". ... Amplifier Magazine Someplace Closer To Here by Lapush (Review) August 19, 2005. amplifiermagazine.com. Official Thom Donovan ... The trio would eventually collaborate on an electronic project called Sealt in 2013, releasing an EP. Donovan released his ...

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... and hence transfer the maximum available power from a weak signal into the first amplifier, to provide the amplifier with a ... Smith, P.H. (1969). Electronic Applications of the Smith Chart. Tucker, GA: Nobel Publishing. p. 121. ISBN 1-884932-39-8. " ... The output-stage amplifier is always the component that bears the brunt of any damage. That is the part of the radio where self ... Tube transmitters and amplifiers usually have an adjustable output network that can feed mismatched loads up to perhaps 3:1 SWR ...

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Carsillo, Ray (November 5, 2013). "EGM Review: Call of Duty: Ghosts (Current-Gen)". Electronic Gaming Monthly. Archived from ... agreeing to be placed in a replica Beacon Amplifier to harness her gifts to benefit the future descendants of the Exodus ... Electronic Gaming Monthly. Archived from the original on November 6, 2013. Retrieved November 4, 2013. "Call Of Duty Ghosts ...

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Electronic Musician (1 Jun 2002). "Clavia Nord Electro". Retrieved 6 Jun 2012. Sound on Sound (Dec 2001). "CLAVIA NORD ELECTRO ... There is an effect section that emulates popular "stomp box" effect pedals from the '70s and amplifiers including the famous ... The second section is a digital emulation of electronic organs. This is not sample based, but instead generated by the digital ... The Nord Electro is a series of electronic keyboards, developed in Sweden by Clavia, that digitally emulate electro-mechanical ...

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... Power Amplifiers: Theory, Design and Implementation. The International Series in Engineering and Computer Science. Vol ... Electronic design, Integrated circuits, MOSFETs, Pakistani inventions). ... Kim, Woonyun (2015). "CMOS power amplifier design for cellular applications: an EDGE/GSM dual-mode quad-band PA in 0.18 μm CMOS ... Abidi, along with UCLA colleagues J. Chang and Michael Gaitan, demonstrated the first RF CMOS amplifier in 1993. In 1995, Abidi ...

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... and high-end electronic parts and speakers. Gjika Amplification Bogner Amplification Fryette Amplification Carr Amplifiers ... 65amps Matchless Amplifiers Dumble Amplifiers Trainwreck Circuits Carol-Ann Amplifiers Van Weelden Amplifiers Tube sound ... Boutique amplifier is a catch-all descriptor for any type of instrument amplifier that is typically hand built with the ... Some common features of boutique amplifiers include point-to-point or turret board construction, heavy-duty chassis, NOS vacuum ...

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Dave's typical Vox AC30 amplifier was likely used for most tracks, though the long sustain heard on "Wicked Annabella" suggests ... "managed to bypass everything psychedelic and electronic" by continuing to focus on "simple, even rustic melodies with words of ... the use of an early-era solid-state amplifier. Four microphones were placed around Avory's drum kit and Pete Quaife's ...

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... mixers and amplifiers under large signal conditions. Lookup tables and curve fitting replaced by efficient EM-based models e.g ... Electronic design automation companies). ... "Accurate Noise Simulation of Microwave Amplifiers Using CAD", ...

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Young placed a video camera on his amplifier during the 1987 tour and recorded the beginnings and endings of various songs, and ... Live electronic albums, Albums produced by Neil Young, Crazy Horse (band) albums, Sound collage albums). ...

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It was produced by Larry Fast who was notable for his Synergy series of electronic music albums. A remastered edition was ... Fender amplifiers, vocals Cameron Hawkins - lead vocals, Mutron and Electro-Harmonix FX pedals, 9.95, Prophet 5, Minimoog, ( ...

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A modern pair of headphones is driven by an amplifier, with lower impedance headphones presenting a larger load. Amplifiers are ... Hearing risk from headphones' use also applies to workers who must wear electronic or communication headsets as part of their ... requiring a telephone amplifier for the telephone headset. A telephone amplifier provides basic pin-alignment similar to a ... often over 500 ohms so they could operate well with high-impedance tube amplifiers. In contrast, modern transistor amplifiers ...

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She has collaborated with a wide variety of musicians from genres such as blues, jazz, folk, experimental and electronic music ... Recently, avant-garde inventors have developed a tsugaru-jamisen with electric pickups to be used with amplifiers, like the ...

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Compared with solely electronic solutions, PICs generate far less heat and can mitigate the need for cooling, reducing energy ... The range of devices required on a chip includes low loss interconnect waveguides, power splitters, optical amplifiers, optical ... Unlike electronic integration where silicon is the dominant material, system photonic integrated circuits have been fabricated ... Photonic integrated circuits utilize photons (or particles of light) as opposed to electrons that are utilized by electronic ...

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Walker next targeted the warehouses and offices of record and film companies, taking amplifiers, electronic equipment, records ... Walker later explained that his crimes were motivated by a desire to gather funds and equipment to build an electronic radar ... Walker continued to commit burglaries to pay his living expenses and acquire electronic equipment. His criminal spree ...

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Under optronics photonics group, for electronics goods & components these manufactured with optronics photonics Instrumentation: Doped Fiber, EDFA Fibre. Aimil offers you best performer Instrumentation.

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has introduced two new Class-D audio amplifiers designed to advance the home entertainment experience. ... TI delivers industrys highest power, integrated Class-D audio amplifiers Staff January 28, 2010. ... â€¢ Pin compatibility with the TAS5615 and TAS5616 150-W stereo amplifiers maximizes design reuse for lower power systems. ... â€¢ Offers power levels equivalent to traditional discrete Class-D amplifiers with 70% fewer components to lower system failure ...

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Arduino Audio Booster Amplifier Car amplifier Charger Circuit Class-D Amplifier Components Crossover Digital Gainclone ... Amplifier Headphone HiFi Amplifier High power amplifier Home Theater ICs audio amplifier Inverter Circuit Microcontroller PCB ... Non-Switching Current-Drive Amplifiers By Electronic Circuit Saturday, July 14, 2012 Post a Comment ... Current-Drive Amplifiers. Almost all power amplifiers aspire to be voltage sources of zero output impedance. This minimizes ...

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Electronic AdaptersElectronic AmplifiersElectronic AttenuatorsElectronic BoardsElectronic BridgesElectronic CellsElectronic ... Electronic FiltersElectronic MagnifiersElectronic Media ChangersElectronic MixersElectronic NetworksElectronic PinsElectronic ... ChipsElectronic Component MountsElectronic ConvertersElectronic DriversElectronic Equalizers ... Amplifiers range from 20-4,000 MHz.. Housed in surface mount package, QBH-8900 Series offers gain from 10-28 dB, third order ...

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JBL GTS-300 Power Amplifier Service Manual PDF Please note: This is not a paper manual or physical book. I will send after ... Casio CTK-480 Ver.1 Electronic Keyboard Service Manual PDF (SBTCS2581). sbt-servicemanuals ... JBL GTS-300 Power Amplifier Service Manual PDF. Please note: This is not a paper manual or physical book. I will send after ...

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Amplifier /. Circuits to Assemble /. Electronic Circuits /. IC Amplifier /. 200W RMS Stereo Power Amplifier using STK4231II IC ... Friday, February 19, 2021 in Amplifier, Circuits to Assemble, Electronic Circuits, IC Amplifier ... This audio amplifier circuit is a HI-FI two-channel 100w OCL High Power Stereo Audio Amplifier based on the STK4231II IC. ... 140W Class AB Amplifier using MJL4281A and MJL4302A transistors with PCB. Fig. 1 - 140W Class AB Amplifier using MJL4281A and ...

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Electronic Components * All Electronic Components * LED/Plugs/Connectors * All LED/Plugs/Connectors ... Decrease Quantity of TL082ACP - Op-Amp, Dual, 2 Amplifier IC Increase Quantity of TL082ACP - Op-Amp, Dual, 2 Amplifier IC ... Decrease Quantity of PAM8403 Audio Amplifier SMD IC Increase Quantity of PAM8403 Audio Amplifier SMD IC ... Decrease Quantity of JRC4558 Dual Operation Amplifier IC Increase Quantity of JRC4558 Dual Operation Amplifier IC ...

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12W Mono Audio Amplifier Circuit (1). 18/08/2016. RAJ SHARMA Leave a comment ... LOAD CELL FORCE SENSOR INSTRUMENTATION AMPLIFIER -analog output. 28/11/2020. Leave a comment ... Here is my newly developed Load Cell amplifier circuit. Circuit provides very accurate reading. I have tested this circuit with ...

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Shop and save on our amazing selection of Aclam Guitars Amplifiers & Effects Power Supplies at The Woodwind & Brasswind. ... Amplifiers-Effects-Power-Supplies.wwbw. cat,site8LDXB. ?pageName=subcategory-page&N=71098. Skip to main content Skip to footer ... ":"srcURL=/Aclam-Guitars-Amplifiers-Effects-Power-Supplies.wwbw?N=11403" } * 1 Products ... ","prop5":"[wwbw] shop: accessories: power and batteries: power supplies: amplifiers and effects power supplies","prop4":"[wwbw ...

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About Musical Instrument Amplifiers. For electronic instruments, amplifiers are absolutely essential. And they dont just stop ... Keyboard Amplifiers & Monitors (148) Live Power Amplifiers (205) Amplifier Covers & Cases (82) Amplifier Stands (21) Amplifier ... Orange Amplifiers (548) Palmer (1) Paoletti Guitars (1) Park Amplifiers (1) Peavey (539) Phil Jones Bass (37) Pignose (11) ... Orange Amplifiers,Palmer,Paoletti Guitars,Park Amplifiers,Peavey,Phil Jones Bass,Pignose,Pigtronix,Polytone,Port City,Positive ...

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load Cell W/ External Amplifier. load Cell W/ External Amplifier. A load cell/amplifier system level calibration can be ... Transducer Electronic Data Sheet (TEDS). - a load cell with electronic identification inside, including sensor information and ... load Cell W/ External Amplifier. load Cell W/ External Amplifier. A load cell/amplifier system level recalibration is most ... Internal Amplifiers. Internal Amplifier. - used to modify the signal to the type of output required, including;4-20mA, ±5V, ± ...

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... combined to achiieve this output power and to satisfy the stringent requirements of the jamming systems in which this amplifier ... The present discussion is concerned with the development of a transistor amplifier which provides 400 W power output in the ... Power Amplifiers;. *Radio Frequency Interference;. *Solid State Devices;. *Transistor Amplifiers;. *Electronic Countermeasures; ... Solid-state amplifier pushes 400 W at 500 MHz *Posner, R. D. ... is concerned with the development of a transistor amplifier ...

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Electronic-Balanced Microphone Input Module with XLR Connector supports different signal-source requirements, including the ... Bogen Electronic-Balanced Microphone Input Module with XLR Connector at TWAcomm.com. ... This module is electronic-balanced, and features an XLR connector. MIC2X Features:. *XLR connector ... Electronic-Balanced Microphone Input Module with XLR Connector supports different signal-source requirements, including the ...

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A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power ... Magnetic amplifiers were limited to below roughly 200kHz. Hydraulic amplifiers were not directly useful as electronic devices. ... see Valve audio amplifier, Valve RF amplifier, and Valve audio amplifier technical specification. For tube amps from the Valve ... Valve amplifiers can be used for applications such as guitar amplifiers, satellite transponders such as DirecTV and GPS, high ...

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Amplifier (Amp): 1. An electronic device that increases the amplitude of a signal. 2. A combination speaker/amplifier designed ... Crossover (Crossover Network), Electronic: An electronic device or circuit that, when inserted between a mixer and amplifier, ... Power Amplifier: An electronic device that increases the volume of a signal. A basic unit of all sound systems. Power amps are ... Biamplification: The use of separate amplifiers to power woofers and tweeters. See: Crossover- Electronic, Crossover- Passive. ...

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English synonyms, antonyms, sound-alike, and rhyming words for amplifier

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... consumer electronic control) compatible devices; and Lip Sync. The unit is HDCP 2.2/1.4 compliant and has a configurable built- ...

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â€¢ Offers power levels equivalent to traditional discrete Class-D amplifiers with 70% fewer components to lower system failure rate, accelerate time-to-market and achieve higher manufacturing yield. (ept.ca)
Figure 3 below, show the schematic circuit diagram 100W + 100W RMS Stereo Power Audio Amplifier to be followed, with the arrangement of the components and their configurations. (elcircuits.com)
The electronic components of the hearing aid are contained in a hard plastic case that is worn behind the ear. (medlineplus.gov)

The present discussion is concerned with the development of a transistor amplifier which provides 400 W power output in the frequency range from 100 to 500 MHz. (harvard.edu)

Each of the 1500 contact points on the implant chip consists of a photodiode, electrode, and amplifier. (medscape.com)
Each unit is approximately two by three by one centimeter and each unit contains an electrode, an electrecardiographic amplifier, and telemetry circuitry. (nih.gov)

this microphone picks up the sound outside the protector and provides input to an internal amplifier. (cdc.gov)

Additional electronic circuitry that provides selection of recording sites and multiplexing of signals from multiple recording sites has also been integrated into the microelectrodes. (nih.gov)

Integrated Circuit LA4446 SANYO Audio Power Amplifier, 5.5w 2-channel AF SIL13 for cb radio (e.g. (hesta.pl)
Original 13p SIP IC, Casing SIL-13 Integrated Circuit LA4446 SANYO Audio Power Amplifier, 5.5w 2-channel AF SIL13 for cb radio. (hesta.pl)
Integrated Circuit TDA 1905 CB Radio Audio Power Amplifier Integrated Circuit TDA 1905 CB Radio Audio Power. (hesta.pl)
Integrated Circuit TDA 1905 - Audio Power Amplifier for CB radio (President Johnny, President Jimmy, President Billy, President HR2510, Uniden 510, Uniden 520). (hesta.pl)
IC, Casing DIL-16, 5 Watt Audio Amplifier with muting, TDA1905, TDA-1905 Integrated Circuit TDA 1905 - Audio Power Amplifier for CB radio (President Johnny, President. (hesta.pl)
Integrated Circuit KIA7217AP KEC Audio Power Amplifier Original Integrated Circuit KIA7217AP KEC Audio Power. (hesta.pl)
This audio amplifier circuit is a HI-FI two-channel 100w OCL High Power Stereo Audio Amplifier based on the STK4231II IC. (elcircuits.com)
Product Overview The TL071CP is a low-noise JFET-input general-purpose Operational Amplifier incorporates well-matched, high-voltage JFET and bipolar transistors in a monolithic integrated circuit. (pixelelectric.com)
Here is my newly developed Load Cell amplifier circuit. (twovolt.com)
This is a magnificently complex electronic circuit capable of providing automatic adjustment of degree of inflation, time, lag, duration of pulsation, and pressure. (nih.gov)

We offer a wide range of operational amplifiers, including low-noise operational amplifiers that are suitable for amplifying small signals from various sensors widely used in IoT equipment, ultra-low-current-consumption operational amplifiers that contribute to the long-term operation of IoT equipment, and I/O full-range (I/O Rail to Rail) operational amplifiers. (semicon-storage.com)
The JFET-input operational amplifiers incorporates well-matched, high-voltage JFET and bipolar. (pixelelectric.com)
Description The JFET-input operational amplifiers in the TL07x series are similar to the TL08x series, with low input bias and offset currents and fast slew rate. (pixelelectric.com)

Description The MCP6022-I/SN is a 10MHz dual rail-to-rail input/output Operational Amplifier with high performance. (pixelelectric.com)

Devices called amplifiers make sound louder. (medlineplus.gov)
In the mockumentary This Is Spinal Tap , Chris Guest's rocker "Nigel Tufnel" proudly points out that the volume controls for his amplifiers are "one louder" than standard amps. (cdc.gov)

The STK4221II IC is a dual high power amplifier chip, preferably suited for compact high power audio applications, it provides 2 channel high power best quality audio output of 100W RMS at both channel at 8Ω speaker. (elcircuits.com)

Branched DNA sensors, target DNA, and DNA-modified AuNPs formed a sandwich structure to produce an electronic signal for target DNA detection. (bvsalud.org)

Texas Instruments Inc. has introduced two new Class-D audio amplifiers designed to advance the home entertainment experience. (ept.ca)
Based on TI's advanced closed-loop architecture, the amplifiers integrate PurePath HD technology to achieve high-definition media playback and ultra-low distortion in next-generation AV and DVD receivers, Blu-ray home theater systems, home theater-in-a-box, mini/micro component systems and professional audio systems. (ept.ca)
Power Amplifier Input Stages accelerate audio device design. (thomasnet.com)
Description The LM386N-1/NOPB is a Wide Vin Class-D low Power Audio Amplifier with internal gain designed for use in low voltage consumer applications. (pixelelectric.com)
Description PAM8403 is a 3 Watt, class-D audio amplifier. (pixelelectric.com)

Electronic devices that increase the magnitude of a signal's power level or current. (nih.gov)
5906. Electronic devices. (nih.gov)

â€¢ Pin compatibility with the TAS5615 and TAS5616 150-W stereo amplifiers maximizes design reuse for lower power systems. (ept.ca)
It is relatively simple to design an amplifier with any desired output impedance (even a negative one), and so any compromise between voltage and current drive is attainable. (elcircuit.com)

Electronic-Balanced Microphone Input Module with XLR Connector supports different signal-source requirements, including the ability to interface to balanced and unbalanced high- and low-impedance inputs, stereo or mono, teleco systems, and microphones. (twacomm.com)

Almost all power amplifiers aspire to be voltage sources of zero output impedance. (elcircuit.com)

Requiring only DC power supply, amplifiers are suited for military radios, mobile communications platforms, point-to-point and multipoint radios, and. (thomasnet.com)
The electronic elements of the instrument included a series of variable resistors, a group of coils, a power supply, an amplifier or oscillator unit, and a bakelite plate indicator. (nih.gov)

The opposite approach is an amplifier with a suffi ciently high output impedance to act as a constant-current source. (elcircuit.com)

Monitoring was carried out with a 4-channel prototype system by sensing, down sampling, digitizing, and optically transmitting the RF transmit signal to a remote PC to control the amplifiers. (nih.gov)

The sounds are received through a microphone which converts the sound waves into electric signals that are sent to an amplifier. (medlineplus.gov)
The amplifier increases the strength of the signals and transmits them into the ear through a speaker. (medlineplus.gov)

This minimizes frequency-response variations caused by the peaks and dips of the impedance curve, and gives a universal amplifier that can drive any loudspeaker directly. (elcircuit.com)

OSI Systems, Inc. (Nasdaq:OSIS), a vertically-integrated provider of specialized electronic products for critical applications in the security and healthcare industries, announced today that its Security division, Rapiscan Systems, has entered into a private label distribution agreement with Brijot Imaging Systems, Inc., a leading provider of passive millimeter wave technology. (thomasnet.com)

Several technologies were combined to achiieve this output power and to satisfy the stringent requirements of the jamming systems in which this amplifier type is to be used. (harvard.edu)

To develop a new optically controlled on-coil amplifier that facilitates safe use of multi-channel radiofrequency (RF) transmission in MRI by real-time monitoring of signal phase and amplitude. (nih.gov)
Meanwhile, we also employed branched DNA-modified AuNPs as a signal amplifier to further improve the sensitivity. (bvsalud.org)

Description The TL082ACP is a JFET-input Operational Amplifier designed to offer a wider selection than any previously developed operational amplifier family. (pixelelectric.com)

Amplifiers range from 20-4,000 MHz. (thomasnet.com)

Description The TL081CP is a JFET input operational amplifier (op amp) in 8 pin DIP package. (pixelelectric.com)

Time domain analysis of electrical/electronic circuits. (tuskegee.edu)
Analysis of basic amplifier and selected switching circuits. (tuskegee.edu)
by Electronic Instrument Company Tiffin, Ohio Model P." ACCOMPANYING LABELING: Leaflets entitled "Electronic Laboratory Analysis Rates: Numerically Arranged" and "Electronic Analysis," shipped during March 1957, and on 1-14-58, by Electronic Instrument Co., Tiffin, Ohio. (nih.gov)

A hearing aid is a small electronic device that fits in your ear or behind it. (medlineplus.gov)

by J. G. Miller ,Tiffin, Ohio for the Electronic Instrument Co. Distributors Tiffin, Ohio Model 40 Serial 72," and (name plate) "Radioclast Mfd. (nih.gov)

Amplifiers integrated into the silicon microelectrodes have successfully amplified and buffered single and multiple unit extracellular neural activity. (nih.gov)

Creation of drawings and electrical/electronic diagrams using computers/workstations. (tuskegee.edu)

The amplifier connects to a speaker inside the earcup, thereby allowing the wearer to hear the ambient sounds at a safe level (usually limited to (cdc.gov)

Our power amplifiers of the MKU-series are exclusively intended for amateur radio applications and will only be sold to radio amateurs with a licence. (kuhne-electronic.de)

Simplified diagram and photographs of the new on-coil amplifier with RF monitoring electronics connected to the coil through miniaturized TX/RX switch and LNA board. (nih.gov)

GetDatasheet.com is a free electronic engineering tool that enables you to locate product datasheets from hundreds of electronic component manufacturers worldwide. (getdatasheet.com)

Anatomy4

Organisms1

Chemicals and Drugs4

Analytical, Diagnostic and Therapeutic Techniques and Equipment16

Psychiatry and Psychology2

Phenomena and Processes12

Disciplines and Occupations2

Technology, Industry, Agriculture2

Information Science4

Evaluation and design of a small portable EMG amplifier with potential RMS output. (1/93)

Versatile, high-speed force transducer using a laser diode beam as an optical lever. (2/93)

The impact of hearing on communication. (3/93)

Detection of ventricular fibrillation in implantable defibrillators with automatic gain control amplifiers: effects of programming sensitivity. (4/93)

Sensitive calibration and measurement procedures based on the amplification principle in motion perception. (5/93)

Improving the classroom listening skills of children with Down syndrome by using sound-field amplification. (6/93)

Electrical engineering and nontechnical design variables of multiple inductive loop systems for auditoriums. (7/93)

The cochlear amplifier: augmentation of the traveling wave within the inner ear. (8/93)

Amplifiers, Electronic

Hair Cells, Auditory, Outer

Cochlea

Basilar Membrane

Hearing

Equipment Design

Conductometry

Equipment Failure Analysis

Electronics

Phleomycins

Physical Processes

Transducers

Immobilized Nucleic Acids

Cyclotrons

Otoacoustic Emissions, Spontaneous

Transistors, Electronic

DNA, Concatenated

Semiconductors

Cochlear Microphonic Potentials

Electrodes

Electric Impedance

Molecular Motor Proteins

Hair Cells, Auditory

Micro-Electrical-Mechanical Systems

Signal Processing, Computer-Assisted

Gerbillinae

Artifacts

Computer-Aided Design

Feedback

Optics and Photonics

Mechanotransduction, Cellular

Feedback, Physiological

Auditory Threshold

Models, Biological

Acoustic Stimulation

Lymphocyte Cooperation

Models, Theoretical

Membrane Potentials

Microelectrodes

Signal Transduction

Lasers

Vibration

Evaluation and design of a small portable EMG amplifier with potential RMS output. (1/93)

Versatile, high-speed force transducer using a laser diode beam as an optical lever. (2/93)

The impact of hearing on communication. (3/93)

Detection of ventricular fibrillation in implantable defibrillators with automatic gain control amplifiers: effects of programming sensitivity. (4/93)

Sensitive calibration and measurement procedures based on the amplification principle in motion perception. (5/93)

Improving the classroom listening skills of children with Down syndrome by using sound-field amplification. (6/93)

Electrical engineering and nontechnical design variables of multiple inductive loop systems for auditoriums. (7/93)

The cochlear amplifier: augmentation of the traveling wave within the inner ear. (8/93)

FET amplifier

Current differencing buffered amplifier

Audio power amplifier

Current differencing transconductance amplifier

Bridged and paralleled amplifiers

Operational amplifier

Power amplifier classes

Williamson amplifier

Negative-feedback amplifier

Amplifier figures of merit

Amplifier

Linear amplifier

Fully differential amplifier

Doherty amplifier

Transimpedance amplifier

Valve amplifier

Distributed amplifier

Norton amplifier

Charge-transfer amplifier

Guitar amplifier

Double-tuned amplifier

Tower Mounted Amplifier

Magnetic amplifier

Valve audio amplifier

Amplifier (disambiguation)

Optical parametric amplifier

Low-noise amplifier

Parallel (operator)

Charge amplifier

Lawrence J. Giacoletto