CMOS low voltage high-speed differential amplifier

Details CMOS low voltage high-speed differential amplifier CMOS low voltage high-speed differential amplifier

2006-01-24

2006-01-24

Nguyen, Long (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Nonlinear amplifying circuit

C327S065000, C330S258000, C330S261000

Reexamination Certificate

active

06989709

ABSTRACT:
A differential amplifier for providing common-mode rejection while providing differential-mode amplification includes an active differential amplification element electrically coupled to a first input signal, a second input signal and an output signal. The active differential amplification element is also electrically coupled to a first voltage and to a different second voltage. A passive bias element is electrically coupled to the active differential amplification element. The passive bias element is capable of biasing the active differential amplification element so that the active differential amplification element operates in a saturation mode. The active differential amplification element thereby generates the output signal so that the output signal corresponds to a voltage difference between the first input signal and the second input signal.

REFERENCES:
patent: 4958133 (1990-09-01), Bazes
patent: 5039873 (1991-08-01), Sasaki
patent: 5703532 (1997-12-01), Shin et al.
patent: 6313696 (2001-11-01), Zhang
patent: 6429685 (2002-08-01), Stockstad

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