MOSFET transistor amplifier with controlled output current

Details MOSFET transistor amplifier with controlled output current MOSFET transistor amplifier with controlled output current

2006-09-26

2010-02-09

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S108000, C326S083000, C330S263000, C330S264000, C330S269000

Reexamination Certificate

active

07659756

ABSTRACT:
A switched current source has a first voltage source, a second voltage source, and a third voltage source. A first transistor has a drain terminal coupled to one terminal of a load and a source terminal coupled to the third voltage source. A second transistor has drain, gate and source terminals. The drain terminal of the second transistor is coupled to the gate terminal of the first transistor. The source terminal of the second transistor is coupled to the source terminal of the first transistor. The gate terminal of the second transistor is coupled to the first voltage source. A third transistor has drain, gate and source terminals. The drain terminal of the third transistor is coupled to the gate terminal of the first transistor. The source terminal of the third transistor is coupled to the second voltage source. The gate terminal of the third transistor is coupled to the first voltage source.

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patent: 7332942 (2008-02-01), Gotzenberger et al.
patent: 7355445 (2008-04-01), Kimura

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