CMOS compatible bandgap voltage reference

Details CMOS compatible bandgap voltage reference CMOS compatible bandgap voltage reference

1989-09-07

1990-06-19

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323907, G05F 320

Patent

active

049356909

ABSTRACT:
In a circuit for providing a bandgap voltage reference, a first current proportional to the thermal voltage V.sub.T is generated by a first current source. By means of current mirror operation, the first current induces a second current source to generate a proportional second current. The second current source is coupled to means which generates a first voltage which is proportional to the base-emitter junction of a bipolar transistor. The second current generates a second voltage which is then added to the first voltage to give the voltage reference.

REFERENCES:
patent: 4347476 (1982-08-01), Tam
patent: 4588941 (1986-05-01), Kerth et al.
patent: 4629972 (1986-12-01), Briner et al.
patent: 4769589 (1988-09-01), Rosenthal
patent: 4780624 (1988-10-01), Nicollini et al.
patent: 4788455 (1988-11-01), Mori et al.

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