Programmable gain amplifier and method

Details Programmable gain amplifier and method Programmable gain amplifier and method

2007-05-08

2007-05-08

Nguyen, Khanh Van (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including gain control means

C330S129000, C330S278000

Reexamination Certificate

active

11065859

ABSTRACT:
One embodiment of the present invention may include a programmable gain amplifier comprising an input multiplexer operative to sequentially select input signals for amplification. The input signals may be chosen from a plurality of input signals based on a selection signal. The programmable gain amplifier may include at least one amplifier gain stage operative to apply a variable gain amount to a selected input signal. The programmable gain amplifier may further include a gain mapping component that controls the variable gain amount for each of the selected input signals.

REFERENCES:
patent: 4016557 (1977-04-01), Zitelli et al.
patent: 4553104 (1985-11-01), Olsen
patent: 5734596 (1998-03-01), Medelius et al.
patent: 6628164 (2003-09-01), Ramesh et al.
patent: 6661283 (2003-12-01), Lee
patent: 6768374 (2004-07-01), Lee
patent: 7013117 (2006-03-01), Darabi
patent: 2005/0189993 (2005-09-01), Behzad et al.

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