Method for automatic gain control, for instance in a...

Details Method for automatic gain control, for instance in a... Method for automatic gain control, for instance in a...

2004-07-09

2008-11-04

Tran, Khanh C (Department: 2611)

Pulse or digital communications

Receivers

Automatic gain control

Reexamination Certificate

active

07447283

ABSTRACT:
A method for automatic gain control of an output signal generated from an input signal includes measuring power of the output signal. Measuring power of the output signal includes setting at least one power threshold, measuring a rate of crossing of the at least one power threshold by the output signal over an observation window, and deriving from the rate of crossing a measured power of the output signal. The method further includes providing a reference power, subtracting the measured power from the reference power to obtain an error signal, and mixing the input signal with the error signal. An analog-to-digital conversion is performed on a result of the mixing to obtain a gain-controlled output signal.

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