Method of controlling a variable gain amplifier and...

Details Method of controlling a variable gain amplifier and... Method of controlling a variable gain amplifier and...

2007-07-24

2007-07-24

Mottola, Steven J. (Department: 2817)

Amplifiers

Signal feedback

Variable impedance in feedback path varied by separate...

C330S279000

Reexamination Certificate

active

10552817

ABSTRACT:
The present invention relates to a method of controlling a variable gain amplifier having at least one semiconductor switch, the amplifier having a first gain when the semiconductor switch is in a first steady state and a first gate voltage is applied to the semiconductor switch, and the amplifier having a second gain when the semiconductor switch is in a second steady state and a second gate voltage is applied to the semiconductor switch, whereby a sequence of third gate voltages is applied to the semiconductor switch to transition between the first and second gains.

REFERENCES:
patent: 4360787 (1982-11-01), Galpin
patent: 4675905 (1987-06-01), Flora et al.
patent: 4855685 (1989-08-01), Hochschild
patent: 4888810 (1989-12-01), Preves
patent: 6931124 (2005-08-01), Rubacha et al.

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