Reference voltage generator

Details Reference voltage generator Reference voltage generator

2006-11-07

2009-08-11

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

C327S539000, C323S313000, C323S315000

Reexamination Certificate

active

07573324

ABSTRACT:
A reference voltage generator according to an embodiment of the present invention includes: a voltage setting circuit generating a first voltage having a predetermined voltage difference from an output voltage; a voltage buffer receiving the first voltage and outputting a first power supply substantially equal to the first voltage; a voltage clamp circuit operating based on a second power supply and a third power supply; and a band-gap circuit generating the output voltage, the band-gap circuit operating based on the second power supply and the first power supply output from the voltage clamp circuit.

REFERENCES:
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patent: 5861771 (1999-01-01), Matsuda et al.
patent: 6344770 (2002-02-01), Zha et al.
patent: 6525596 (2003-02-01), Hosono et al.
patent: 6542027 (2003-04-01), Zha et al.
patent: 63-266509 (1988-11-01), None
patent: 2003-7837 (2003-01-01), None
Gray et al. “Analysis and Design of Analog Integrated Circuits Fourth Edition.” New York: Wiley and Sons, 2001. 122-123.

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