Receiving apparatus

Details Receiving apparatus Receiving apparatus

2007-10-30

2007-10-30

Payne, David C. (Department: 2611)

Pulse or digital communications

Receivers

Automatic gain control

Reexamination Certificate

active

10750807

ABSTRACT:
A receiving apparatus may be provided with a variable gain amplifier amplifying a received signal, an output level of which is detected by a level detection circuit. A comparing circuit compares an output from a level detection circuit to a reference level. There is a binarizing circuit and a detection circuit for detecting a switching of a gain of a variable gain amplifier. A slice level holding circuit holds, at substantially constant value, a slice level employed at the binarizing circuit. A counter circuit and at least one of the slice levels may be held at substantially constant value for a prescribed time when switching of the gain of a variable gain amplifier is detected, rendering at least partially ineffective any noise produced during switching of the gain of the variable gain amplifier.

REFERENCES:
patent: 6735260 (2004-05-01), Eliezer et al.
patent: 2002-290178 (2002-10-01), None
Mano et al, “Logic and Computer Design Fundamentals”, 2nd edition, Published Jul. 2000. ISBN: 0130314862.

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