Differentially compensated input pair

Details Differentially compensated input pair Differentially compensated input pair

2009-12-02

2011-12-27

Mottola, Steven J (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

Reexamination Certificate

active

08085093

ABSTRACT:
The invention is directed to an amplifier including an absolute value circuit. The absolute value circuit may be driven by differential potentials and may include a first pair of transistors modulating a tail current of the amplifier when a differential input voltage goes high, and a second pair of transistors modulating the tail current of the amplifier when a differential input voltage goes low.

REFERENCES:
patent: 4362956 (1982-12-01), Ogasawara et al.
patent: 4959622 (1990-09-01), Kearney
patent: 6963244 (2005-11-01), Carter
patent: 7719361 (2010-05-01), Pera

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