Current source circuit for generating a low-noise current...

Details Current source circuit for generating a low-noise current... Current source circuit for generating a low-noise current...

2006-02-07

2006-02-07

Tra, Quan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S157000

Reexamination Certificate

active

06995604

ABSTRACT:
A current source circuit for generating a low-noise current has a current mirror circuit with a first and a second transistor. The current mirror circuit contains a capacitor connected between a source connection and a gate connection of the second transistor. The current mirror circuit likewise contains a switching element disposed between a drain connection of the first transistor and the gate connection of the second transistor. The switching element may be controlled as a function of an operating state of the current source circuit.

REFERENCES:
patent: 6160432 (2000-12-01), Rhee et al.
patent: 6163187 (2000-12-01), Sano
patent: 6236252 (2001-05-01), Genest et al.
patent: 6586976 (2003-07-01), Yang
patent: 2002/0017136 (2002-02-01), Morimura et al.
patent: 689 21 852 (1990-06-01), None
patent: 0 371 790 (1990-06-01), None

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