Temperature compensated voltage reference

Details Temperature compensated voltage reference Temperature compensated voltage reference

1984-08-15

1986-12-30

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323316, 323354, 323907, G05F 320

Patent

active

046331654

ABSTRACT:
A temperature compensated voltage reference circuit in which a compensation current is generated by establishing a current through a passive impedance element which varies with temperature in accordance with the transistor voltage equation. This current is proportionately reflected into the output impedance circuit associated with the voltage reference, where it compensates for temperature induced voltage variations. The passive impedance element is adjustable to correct for processing variations, and the compensation circuit requires no voltage supplies other than those typically provided for the reference circuit by itself.

REFERENCES:
patent: 4100437 (1978-07-01), Hoff, Jr.
patent: 4176308 (1979-11-01), Dobkin et al.
G. McGlinchey, "A Monolithic 12b 3us ADC", 1982 IEEE International Solid-State Circuits Conference Digest, pp. 80, 81, 296 and 297.

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