Bandgap voltage reference circuit with high power supply...

Details Bandgap voltage reference circuit with high power supply... Bandgap voltage reference circuit with high power supply...

2005-05-10

2005-05-10

Vu, Bao (Department: 2838)

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

C323S315000, C323S907000

Reexamination Certificate

active

06891358

ABSTRACT:
A voltage reference circuit is provided which includes PTAT and CTAT generating components. The CTAT components are provided in a feedback configuration about an operational amplifier and are combined with PTAT generating components which are coupled to the inputs of the amplifier. The combination of the CTAT and PTAT components is effected in a manner which provides for a temperature curvature correction of the output voltage of the circuit.

REFERENCES:
patent: 5325045 (1994-06-01), Sundby
patent: 5352973 (1994-10-01), Audy
patent: 5686821 (1997-11-01), Brokaw
patent: 5767664 (1998-06-01), Price
patent: 5917311 (1999-06-01), Brokaw
patent: 6489831 (2002-12-01), Matranga et al.
patent: 1 359 490 (2003-11-01), None
patent: WO 0208846 (2002-01-01), None
International Search Report from corresponding International Application No. PCT/US03/41309; filed Dec. 24, 2003.

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