automatic gain control


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automatic gain control

[¦ȯd·ə¦mad·ik ′gān kən‚trōl]
(electronics)
A control circuit that automatically changes the gain (amplification) of a receiver or other piece of equipment so that the desired output signal remains essentially constant despite variations in input signal strength. Abbreviated AGC.
References in periodicals archive ?
The Sonaptic Sound Engine also supports both MP3 and SBC decoding for the most common music formats; whilst the automatic gain control ensures that high quality audio is maintained even in conditions of varying input levels.
Excellent image quality is achieved through automatic backlight compensation, automatic gain control, and white balance.
It includes automatic backlight compensation, automatic gain control, and white balance.
Integrated on the transceivers are 12-bit, 160 mega-samples-per-second (MSPS) ADCs and DACs, along with smart system features such as self-calibration, automatic gain control, transmit power control, support for automatic frequency control, and auxiliary ADCs and DACs for system monitoring.
11 a/b/g transceivers, sigma-delta ADCs, DTV tuner automatic gain control with bandgap and bias, high-speed I/O, and post-layout multi-GHz PLLs.
Other features include line-lock, automatic gain control, backlight compensation, auto white balance, flickerless mode, a signal-to-noise ratio of 51 dB, and 480 lines of resolution.
SoftRISC will also provide Symbol with solutions critical for deploying enhanced VoWiFi, including ITU compliant Speech Codec along with integrated Acoustic Echo Canceller and Automatic Gain Control.
The system features a 6 MHz per channel bandwidth, optical automatic gain control, and various diagnostic indicators.
The Si4700 integrates selectivity filtering, automatic gain control, a frequency synthesizer and audio processing.

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