Patent ID: 7382296

Claim:
A system for signal gain control, the system comprising: an analog amplifier; an Analog-to-Digital Converter, wherein a signal input of said Analog-to-Didital Converter is operatively coupled to a signal output of said analog amplifier; a clamping circuit, wherein a signal input of said clamping circuit is operatively coupled to a signal output of said Analog-to-Digital Converter; a clamping reference level circuit, wherein a signal output of said clamping reference level circuit is operatively coupled to a reference input of said clamping circuit; a gain separation circuit, wherein a digital gain output of said gain separation circuit is operatively coupled to a gain input of said clamping circuit; an error measurement circuit, wherein a signal input of said error measurement circuit is operatively coupled to a signal output of said clamping circuit; an Automatic Gain Control reference level circuit, wherein a signal output of said Automatic Gain Control reference level circuit is operatively coupled to a reference input of said error measurement circuit; and a loop filter circuit, wherein: a signal output of said error measurement circuit is operatively coupled to a signal input of said loop filter circuit; a signal output of said loop filter circuit is operatively coupled to a signal input of said gain separation circuit; and an analog gain output of said gain separation circuit is operatively coupled to a gain input of said analog amplifier.