Automatic gain controller and controlling method thereof

Details Automatic gain controller and controlling method thereof Automatic gain controller and controlling method thereof

2003-11-17

2008-09-16

Payne, David C. (Department: 2611)

Pulse or digital communications

Receivers

Automatic gain control

C073S035050, C073S900000, C342S092000, C342S392000, C348S255000, C348S528000

Reexamination Certificate

active

07426250

ABSTRACT:
An automatic gain controller and the controlling method thereof are disclosed. The automatic gain controller includes a first multiplexer for receiving an input signal and a gain and generating a first output, a second multiplexer for receiving a signal time constant and a gain time constant and generating a second output, a filter electrically connected to the first multiplexer and the second multiplexer for generating one of a signal-energy and an actual gain in response to the first output and the second output, a signal-energy processing device electrically connected to the filter, the first multiplexer and the second multiplexer for generating the gain and the gain time constant in response to the signal-energy, and a multiplier electrically connected to the filter for multiplying the actual gain by the input signal to generate an output signal.

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