Temperature compensated current and voltage reference circuit

Details Temperature compensated current and voltage reference circuit Temperature compensated current and voltage reference circuit

1999-04-30

2000-09-26

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327378, 327513, 327530, 323315, 323316, G05F 110

Patent

active

061247545

ABSTRACT:
A reference circuit includes a first resistive element and a current source. The first resistive element is adapted to produce an output voltage based on a first current and a resistance of the first resistive element. The resistance of the first resistive element is a function of a temperature of the current. The current source includes a second resistive element that has a resistance that is a function of the temperature. The current source is adapted to adjust the first current to minimize variation of the output voltage with the temperature based on the resistance of the second resistive element.

REFERENCES:
patent: 5231316 (1993-07-01), Thelen, Jr.
patent: 5281906 (1994-01-01), Thelen, Jr.
patent: 5774013 (1998-06-01), Groe
patent: 5789906 (1998-08-01), Mizuide
patent: 5900773 (1999-05-01), Susak
patent: 5955915 (1999-09-01), Edwards

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