Temperature compensated voltage reference circuit

Details Temperature compensated voltage reference circuit Temperature compensated voltage reference circuit

1980-07-14

1982-02-09

Shoop, William M.

Electricity: power supply or regulation systems

Self-regulating

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

323907, G05F 320

Patent

active

043152090

ABSTRACT:
A temperature compensated voltage reference circuit wherein a first circuit is provided for producing an output voltage at an output terminal, such circuit including a reference voltage device connected between a predetermined voltage potential and the output terminal, such reference voltage device producing a reference voltage which varies with temperature over a predetermined range of temperatures. A temperature compensation circuit is included which, in response to a compensating current, produces a compensating voltage in series with the reference voltage, such compensating voltage varying inversely to the voltage variation of the reference voltage over the predetermined range of temperatures, such compensating current passing serially through the reference voltage device and the compensating voltage producing means. With such arrangement a relatively simple temperature compensated voltage reference circuit is provided, such circuit being adapted to produce an output voltage relatively close in value to the voltage produced by the reference voltage device.

REFERENCES:
patent: 3701004 (1972-10-01), Tuccinardi et al.
patent: 4030023 (1977-06-01), Keith
patent: 4063147 (1977-12-01), Hatanaka et al.
Article entitled "Circuit Techniques for Achieving High-Speed Resolution A/D Conversion" by Holloway and Timko in the 1979 IEEE International Solid State Circuits Conference, Digest of Technical Papers, pp. 136-137.

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