Output differential stage

Details Output differential stage Output differential stage

2007-09-26

2010-02-09

Zweizig, Jeffrey S (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Nonlinear amplifying circuit

C327S108000, C327S333000

Reexamination Certificate

active

07659775

ABSTRACT:
A bipolar differential output circuit includes an input differential bipolar stage for receiving an input signal and generating a differential output current. An output differential pair of bipolar transistors without a bipolar tail current source responds to the input signal by providing a representative output signal. And a current mirror circuit passes current from the input differential pair to the output differential pair.

REFERENCES:
patent: 6424210 (2002-07-01), Iigai et al.
patent: 7135894 (2006-11-01), Stegers et al.
patent: 7400168 (2008-07-01), Katou
patent: 7495477 (2009-02-01), Cho et al.

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