Current biasing circuit

Details Current biasing circuit Current biasing circuit

2007-05-14

2009-02-24

Zweizig, Jeffrey S (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S513000

Reexamination Certificate

active

07495503

ABSTRACT:
A current biasing circuit is provided, which is designed to suppress reference current drift caused by temperature variation with a low overall temperature coefficient of a constant-voltage circuit and at least one resistor. The constant-voltage circuit comprises a diode and/or a diode-connected transistor. This current biasing circuit is based on a current mirror architecture, is easy to implement, and is a relatively temperature-independent current source.

REFERENCES:
patent: 4769589 (1988-09-01), Rosenthal
patent: 5448103 (1995-09-01), de Wit
patent: 6342781 (2002-01-01), Laraia
patent: 6351111 (2002-02-01), Laraia
patent: 6724244 (2004-04-01), Wu
patent: 6759893 (2004-07-01), Gailhard et al.
patent: 2003/0132796 (2003-07-01), Gailhard et al.

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