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...

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

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

considered a voltage-controlled amplifier or variable-gain amplifier. Applications are for electronic volume control and automatic gain control (AGC). Although...

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...

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...

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

resulting in a "cleaner" output. Gilbert cells can also be used as variable-gain amplifiers (VGA). It is a generalized case of an early circuit first used...

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...

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:...

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...

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...

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

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

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

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

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...

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...

A valve audio amplifier (UK) or vacuum tube audio amplifier (US) is a valve amplifier used for sound reinforcement, sound recording and reproduction....

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

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

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

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

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...

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

(PLL) frequency synthesizers, prescalers, mixers/upconverters, and variable-gain amplifiers. These RFICs are designed for commercial RF applications such as...

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

A_{0}}}}}.} The time dependence of the amplifier is easy to discover by switching variables to s = jω, whereupon the gain becomes: A F B = A 0 τ 1 τ 2 ⋅ 1 s...

sound associated with a vacuum tube amplifier (valve amplifier in British English), a vacuum tube-based audio amplifier. At first, the concept of tube sound...