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Variable-gain amplifier

Known as: Voltage-controlled amplitier, Voltage controlled amplifier, DCA 
A variable-gain or voltage-controlled amplifier is an electronic amplifier that varies its gain depending on a control voltage (often abbreviated CV… 
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Related topics

Related topics

9 relations
AmplifierAnalog multiplierCompandingFletcher–Munson curves

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2007
Highly Cited
2007
A Wideband CMOS Variable Gain Amplifier With an Exponential Gain Control
A CMOS wideband cascaded variable gain amplifier (VGA) with a temperature-independent exponential gain control characteristic is… 
Highly Cited
2007
Highly Cited
2007
Channel Estimation for Amplify and Forward Relay Based Cooperation Diversity Systems
Cooperation diversity schemes have been proposed for cellular networks that permit a base station (or a mobile station) to relay… 
Highly Cited
2006
Highly Cited
2006
A 95-dB linear low-power variable gain amplifier
An all-CMOS variable gain amplifier (VGA) that adopts a new approximated exponential equation is presented. The proposed VGA is… 
Highly Cited
2004
Highly Cited
2004
Wide-band CMOS low-noise amplifier exploiting thermal noise canceling
Known elementary wide-band amplifiers suffer from a fundamental tradeoff between noise figure (NF) and source impedance matching… 
Highly Cited
2004
Highly Cited
2004
A performance study of dual-hop transmissions with fixed gain relays
This letter presents a study on the end-to-end performance of dual-hop wireless communication systems equipped with… 
Highly Cited
2001
Highly Cited
2001
A temperature stable CMOS variable gain amplifier with 80-dB linearly controlled gain range
An IF variable gain amplifier with a quadrature demodulator is fabricated using a 0.25-/spl mu/m CMOS technology. An 80-dB… 
Highly Cited
2000
Highly Cited
2000
A variable gain CMOS amplifier with exponential gain control
A variable gain amplifier architecture suitable for foundry CMOS is constructed using linearized transconductance blocks. The use… 
Highly Cited
1998
Highly Cited
1998
A 3.3-V CMOS wideband exponential control variable-gain-amplifier
A CMOS cascadable variable gain amplifier (VGA) with exponential gain control characteristic is presented. The pseudo-exponential… 
Highly Cited
1997
Highly Cited
1997
High dynamic range variable-gain amplifier for CDMA wireless applications
A variable-gain amplifier (VGA) integrated in an 0.8 /spl mu/m 12 GHz process, has input dynamic range of 90 dB with 5 dB noise… 
Highly Cited
1995
Highly Cited
1995
CMOS Low-Distortion High-Frequency Variable-Gain Amplifier
This paper describes the principle and design of a CMOS variable-gain amplifier for high-frequency applications. The operation of… 
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