High linearity programmable gain amplifier using switch

Details High linearity programmable gain amplifier using switch High linearity programmable gain amplifier using switch

2005-08-11

2008-08-05

Nguyen, Patricia (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including gain control means

C330S12400D, C330S051000

Reexamination Certificate

active

07408411

ABSTRACT:
Disclosed is a high linearity programmable gain amplifier using a switch, including an attenuating portion for controlling a gain of a signal and an amplifying portion having a first amplifying part and a second amplifying part, for amplifying an input signal and outputting a signal amplified, wherein the first amplifying part has a first amplifier for amplifying an input signal and a first switch for activating the first amplifier and the second amplifying part has a second amplifier for amplifying an input signal and a second switch for activating the second amplifier.

REFERENCES:
patent: 5285169 (1994-02-01), Theus
patent: 6175279 (2001-01-01), Ciccarelli et al.
patent: 6208202 (2001-03-01), Kaufman et al.
patent: 6278325 (2001-08-01), Juang
patent: 6292052 (2001-09-01), Carlson
patent: 6657491 (2003-12-01), Fanous et al.
patent: 7098738 (2006-08-01), Tam et al.

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