Temperature compensated constant voltage apparatus

Details Temperature compensated constant voltage apparatus Temperature compensated constant voltage apparatus

1976-05-25

1977-06-14

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

307 28S, 307297, 307302, 323 22Z, 323 69, G05F 158

Patent

active

040300234

ABSTRACT:
A temperature compensated constant voltage circuit utilizing a constant current supply circuit having a positive temperature coefficient of current for supplying current to a nearly constant voltage dropping circuit. The voltage dropping circuit includes a zener diode which has a negative temperature coefficient. The combination of the positive and negative coefficients cooperate to produce a temperature stable constant voltage circuit.

REFERENCES:
patent: 3577062 (1971-05-01), Hoffman
patent: 3701004 (1972-10-01), Tuccinardi et al.
patent: 3956661 (1976-05-01), Sakamoto et al.
Instruments and Control Systems, Mar. 1971, pp. 133-135, "Solid State Voltage References", by Hineman et al.
IBM Tech. Disc. Bulletin, vol. 15, No. 5., Oct. 1972, "Precision Voltage Source With High-Speed Polarity Control", by Hellwarth et al.

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