Voltage reference with linear negative temperature variation

Details Voltage reference with linear negative temperature variation Voltage reference with linear negative temperature variation

1994-12-01

1997-05-20

Hecker, Stuart N.

Electricity: power supply or regulation systems

Self-regulating

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

323281, G05F 304

Patent

active

056315511

ABSTRACT:
A bandgap voltage reference circuit employs a Vbe voltage multiplier network in a feedback line of an output amplifier of the bandgap reference circuit, thus permitting to independently fix the output voltage that is produced and the temperature coefficient thereof. A voltage reference having a linear negative temperature coefficient in an extended temperature variation range may be obtained, starting from a bandgap reference voltage with a positive temperature coefficient.

REFERENCES:
patent: 4636710 (1987-01-01), Stanojevic
patent: 4683416 (1987-07-01), Bynum
patent: 5291122 (1994-03-01), Audy
patent: 5325045 (1994-06-01), Sundby
patent: 5352973 (1994-10-01), Audy
patent: 5434532 (1995-07-01), Thiel
"Signal-Processing Circuits," Chapter 11, pp. 522-547, by Dennis L. Feucht, Handbook of Analog Circuit Design.
Analysis and Design of Analog Integrated Circuits, Second Edition, by Paul R. Gray & Robert G. Meyer, pp. 289-300.

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