Automatic gain control using multi-comparators

Details Automatic gain control using multi-comparators Automatic gain control using multi-comparators

2005-05-23

2008-11-25

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including gain control means

C330S129000

Reexamination Certificate

active

07456690

ABSTRACT:
A method and apparatus for an automatic gain control (AGC) loop that utilizes multiple comparators to provide constant bandwidth tracking and step response, as well as fine granularity for decision directed convergence. In one embodiment, an odd number of comparators is used with square-law scaling at the output to achieve constant bandwidth step response for a wide range of input amplitude changes.

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