Current bias circuit and current bias start-up circuit thereof

Details Current bias circuit and current bias start-up circuit thereof Current bias circuit and current bias start-up circuit thereof

2006-01-04

2008-03-11

Lam, Tuan T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S543000

Reexamination Certificate

active

07342439

ABSTRACT:
A current bias circuit and a current bias start-up circuit thereof are disclosed. The bias start-up circuit supplies a compensation current to the bias circuit to compensate the leakage current of the current bias circuit during activation and turns off the compensation current after start-up. Accordingly, the bias start-up circuit could compensate the leakage current of the current bias circuit and the bias start-up circuit could reduce the power consumption.

REFERENCES:
patent: 4906871 (1990-03-01), Iida
patent: 5155384 (1992-10-01), Ruetz
patent: 5243231 (1993-09-01), Baik
patent: 5559425 (1996-09-01), Allman
patent: 6031365 (2000-02-01), Sharpe-Geisler
patent: 6111397 (2000-08-01), Leung
patent: 6351111 (2002-02-01), Laraia
patent: 2002/0089371 (2002-07-01), Goutti et al.
patent: 2004/0027191 (2004-02-01), Rashid et al.

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