Amplifier circuit having a compensating amplifier unit for...

Details Amplifier circuit having a compensating amplifier unit for... Amplifier circuit having a compensating amplifier unit for...

2005-10-07

2008-03-18

Nguyen, Patricia (Department: 2817)

Amplifiers

Miscellaneous

Amplifier protection means

C330S251000, C330S051000, C330S310000

Reexamination Certificate

active

07345540

ABSTRACT:
An amplifier circuit includes a feedback loop; a former stage amplifier unit coupled to an input node of the amplifier circuit and the feedback loop for amplifying the difference between an input signal received from the input node and an output signal which comes back through the feedback loop, and outputting a first output signal; a compensating amplifier unit coupled to the former stage amplifier unit for amplifying the first output signal and outputting a second output signal; and an output stage amplifier unit coupled to the compensating amplifier unit and the feedback loop for outputting a third output signal according to the second output signal.

REFERENCES:
patent: 4453132 (1984-06-01), Stamler
patent: 5635871 (1997-06-01), Cavigelli
patent: 5974089 (1999-10-01), Tripathi et al.
patent: 6118336 (2000-09-01), Pullen et al.
patent: 6316992 (2001-11-01), Miao et al.
patent: 7038535 (2006-05-01), Lee

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