Fully differential amplifier device with output-common-mode...

Details Fully differential amplifier device with output-common-mode... Fully differential amplifier device with output-common-mode...

2006-03-23

2008-11-04

Pascal, Robert J. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S009000

Reexamination Certificate

active

07446611

ABSTRACT:
A fully differential amplifier device includes a first input and a second input, a first output and a second output, and a differential input stage, provided with a first input transistor and a second input transistor. The first input and the first output and the second input and the second output are directly connected selectively in a first operating configuration and disconnected in a second operating configuration. The amplifier device further includes a current-generator circuit connected so as to supply respective first currents to the first and second outputs irrespective of a state of conduction of the first and second input transistors.

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patent: 6529075 (2003-03-01), Bruck et al.
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patent: 2006/0186954 (2006-08-01), Koller et al.
patent: 2007/0085608 (2007-04-01), Iriguchi et al.

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