Bandgap reference circuit

Details Bandgap reference circuit Bandgap reference circuit

2005-05-17

2005-05-17

Zweizig, Jeffrey (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

Reexamination Certificate

active

06894555

ABSTRACT:
A bandgap reference circuit for generating a reference voltage includes an operational amplifier; a plurality of transistors connected to the operational amplifier; a plurality of resistances connected to the plurality of transistors; and a plurality of bipolar transistors connected to the plurality of resistances. First and second resistances of the plurality of resistances are used for voltage level shifting so that the operational amplifier can normally operate.

REFERENCES:
patent: 6281743 (2001-08-01), Doyle
patent: 6362612 (2002-03-01), Harris
patent: 6507179 (2003-01-01), Jun et al.
patent: 6529066 (2003-03-01), Guenot et al.

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