Differential amplifier

Details Differential amplifier Differential amplifier

2009-02-26

2010-10-19

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

Reexamination Certificate

active

07816989

ABSTRACT:
A differential amplifier includes a first differential pair formed by transistors of a first conductivity type, to receive input signals and output first differential-mode currents, a first current amplifier section to output a first output source current and a first output sink current to a first output terminal and a second output terminal, respectively, based on the first differential-mode currents, a second differential pair formed by transistors of a second conductivity type, to receive the input signals and output second differential-mode currents, and a second current amplifier section to output a second output source current and a second output sink current to the first output terminal and the second output terminal, respectively, based on the second differential-mode currents.

REFERENCES:
patent: 5293136 (1994-03-01), Ryat
patent: 5294893 (1994-03-01), Ryat
patent: 6-237128 (1994-08-01), None

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