Amplifier

Details Amplifier Amplifier

2011-06-14

2011-06-14

Mottola, Steven J (Department: 2817)

Amplifiers

With control of power supply or bias voltage

With control of input electrode or gain control electrode bias

C330S141000

Reexamination Certificate

active

07961044

ABSTRACT:
An amplifier includes: a variable gain unit that adjusts an amplitude of an input signal and outputs a first signal; an amplitude limiting unit that limits an amplitude of the first signal and outputs a second signal set to have an amplitude of a first amplitude value or less; an amplifying unit that amplifies the second signal to output the amplified second signal as an output signal; and a control unit that detects when the first signal has an amplitude of a second amplitude value or more to control a gain of the variable gain unit so that the amplitude of the first signal becomes less than the second amplitude value, the second amplitude value being larger than the first amplitude value.

REFERENCES:
patent: 6590619 (2003-07-01), Kawano
patent: 7551031 (2009-06-01), Iwamatsu
patent: 2009/0091355 (2009-04-01), Iwamatsu
patent: 2002368563 (2002-12-01), None

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