A variable-gain (VGA) or voltage-controlled amplifier (VCA) is an electronic amplifier that varies its gain depending on a control voltage (often abbreviated...

A negative-feedback amplifier (or feedback amplifier) is an electronic amplifier that subtracts a fraction of its output from its input, so that negative...

amplification provided by an amplifier is measured by its gain: the ratio of output voltage, current, or power to input. An amplifier is defined as a circuit...

voltage-controlled oscillators (e.g. variable frequency oscillators), voltage-controlled resistors, and voltage-controlled variable gain amplifiers. In the ideal OTA, the...

logarithmic amplifiers; PLL and DDS synthesizers; RF prescalers; variable gain amplifiers; ADC drivers, gain blocks, LNAs and other RF amplifiers. Processors...

An operational amplifier (often op amp or opamp) is a DC-coupled electronic voltage amplifier with a differential input, a (usually) single-ended output...

satisfy certain requirements. The operational amplifier must have large open-loop signal gain (voltage gain of 200,000 is obtained in early integrated circuit...

delayed and the other low pass filtered, inverted and then used in a variable-gain amplifier to amplify the original signal to the desired height. Practically...

wooden case and weighed 23 kilograms. It has full polyphony with a variable-gain amplifier for each key and a BBD (bucket-brigade device) ensemble effect...

portal Variable-gain amplifier Ring modulator Product detector Frequency mixer Companding Squelch Analog computer Analog signal processing Automatic gain control...

An optical parametric amplifier, abbreviated OPA, is a laser light source that emits light of variable wavelengths by an optical parametric amplification...

shearing them; a hard limiter, a type of variable-gain audio level compression, in which the gain of an amplifier is changed very quickly to prevent the...

& Arpels Video Content Analysis Voltage-controlled amplifier also called variable-gain amplifier Victoria College of Art, a Canadian art school Victorian...

video game awards show. Variable-gain amplifier, a type of amplifier that varies gain based on some control voltage Variable gauge axle, a multiple gauge...

power amplifier classes are letter symbols applied to different power amplifier types. The class gives a broad indication of an amplifier's characteristics...

The signal entering a compressor is split; one copy is sent to a variable-gain amplifier and the other to a side-chain where the signal level is measured...

MOSFETs) operate as electronic switches, and not as linear gain devices as in other amplifiers. They operate by rapidly switching back and forth between...

DVGA may refer to: Digital Variable Gain Amplifier Double-size VGA display resolution This disambiguation page lists articles associated with the title...

and a variable-gain amplifier which could increase the replay volume by up to 10dB. Both the loudspeaker switching and the gain of the variable-gain amplifier...

synthesizer Numerically-controlled oscillator (NCO) Variable-frequency oscillator (VFO) Variable-gain amplifier Voltage-controlled filter (VCF) Godse, Atul P...

asymptotic gain model (also known as the Rosenstark method) is a representation of the gain of negative feedback amplifiers given by the asymptotic gain relation:...

A guitar amplifier (or amp) is an electronic device or system that strengthens the electrical signal from a pickup on an electric guitar, bass guitar...

a common-drain amplifier, also known as a source follower, is one of three basic single-stage field-effect transistor (FET) amplifier topologies, typically...

replaced by voltage controlled amplifiers or operational transconductance amplifiers. Linear filter Biquad filter "State Variable Filter - an overview | ScienceDirect...

Chopper Stabilized Amplifiers are essential in scenarios demanding high DC voltage gain, where the voltage offset from standard amplifiers can cause significant...

negative feedback amplifier. The feedback sets the overall (closed-loop) amplifier gain at a value: O I = A 1 + β A ≈ 1 β   , {\displaystyle {\frac {O}{I}}={\frac...

magnetic amplifier (colloquially known as a "mag amp") is an electromagnetic device for amplifying electrical signals. The magnetic amplifier was invented...

distinguish them. The RF amplifier stages of radio receivers require variable tuning to select the station, usually achieved by using variable capacitors in the...

also be viewed as a positive gain amplifier combined with a bandpass filter that provides positive feedback. Automatic gain control, intentional non-linearity...

In electronics, a common-gate amplifier is one of three basic single-stage field-effect transistor (FET) amplifier topologies, typically used as a current...