Fast automatic gain control

Details Fast automatic gain control Fast automatic gain control

2011-07-12

2011-07-12

Kim, Kevin Y (Department: 2611)

Pulse or digital communications

Receivers

Automatic gain control

Reexamination Certificate

active

07978795

ABSTRACT:
An apparatus comprising a slicer configured to produce a symbol decision value and a symbol error value utilizing, at least in part, a slicer input signal; and an automatic gain controller configured to facilitate the automatic control of a gain applied to the slicer input signal by producing a gain control signal, the automatic gain controller comprising a decision-directed amplitude error detector configured to utilize, at least in part, the symbol decision value and the symbol error value to produce an amplitude error signal, and a loop filter configured to utilize the amplitude error signal to produce the gain control signal.

REFERENCES:
patent: 6987821 (2006-01-01), Li
patent: 7580482 (2009-08-01), Endres et al.
patent: 7746969 (2010-06-01), Bryan et al.
patent: 2006/0120491 (2006-06-01), Yen et al.
patent: 2007/0286315 (2007-12-01), Hong et al.
patent: 2009/0067556 (2009-03-01), Grayver et al.

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