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automatic gain control (redirected from AGC circuit)
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Related to AGC circuit: Automatic volume control
automatic gain control[¦ȯd·ə¦mad·ik ′gān kən‚trōl]
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 DTA8042 provides the IF mixers and the AGC circuits
required to generate separate in-phase and quadrature baseband signals.
The TDA8042 includes the IF mixers and AGC circuits
required to generate separate in-phase and quadrature baseband signals, which are then digitized by on-chip A/D converters in the TDA8043 Demodulator/Decoder.