Constant-voltage regulated power supply

Details Constant-voltage regulated power supply Constant-voltage regulated power supply

1976-07-22

1978-07-04

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

323 68, 340636, 354 60R, G05F 308, G01R 1916

Patent

active

040991156

ABSTRACT:
The temperature-dependent characteristics of a constant-voltage regulated power supply are determined by combining output voltages of a pair of circuits that have positive and negative temperature-dependent characteristics, respectively. One of the circuits includes an operational amplifier having resistors and diodes connected to its input terminals so as to provide a voltage having a positive temperature-dependent characteristic. The other circuit includes a diode or a transistor connected to the output of the operational amplifier for providing a voltage having a negative temperature-dependent characteristic. By adjusting the resistor values, the temperature-dependence, or lack of temperature-dependence, of the combined output voltage can be controlled.

REFERENCES:
patent: 3828240 (1974-08-01), Keller et al.
patent: 3887863 (1975-06-01), Brokaw
patent: 3896456 (1975-07-01), Toyoda
patent: 3914683 (1975-10-01), Plassche
patent: 3970933 (1976-07-01), Hamaguchi et al.
patent: 3975747 (1976-08-01), Toyoda
patent: 4007415 (1977-02-01), Toyoda

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