Voltage generating circuit

Details Voltage generating circuit Voltage generating circuit

2008-02-07

2010-06-29

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S538000, C323S267000, C323S268000, C323S316000

Reexamination Certificate

active

07746164

ABSTRACT:
Disclosed is a voltage generating circuit which steps down a voltage to output a stepped down voltage. The voltage generating circuit includes first and second transistors. The drains of the first and second transistors are connected to a higher voltage power supply. The gate of the first transistor is connected to the gate of the second transistor. The voltage of the gate of the first transistor is controlled by a control circuit such that a voltage of the source of the first transistor can reach a predetermined voltage. A stepped down voltage is outputted from the source of the second transistor.

REFERENCES:
patent: 6218900 (2001-04-01), Nolan
patent: 6232753 (2001-05-01), Pasotti et al.
patent: 6677809 (2004-01-01), Perque et al.
patent: 2005/0162218 (2005-07-01), Noda et al.
patent: 2008/0061865 (2008-03-01), Koerner
Wikipedia—Comparator http://en.wikipedia.org/wiki/Comparator.

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