Voltage regulator for battery power source

Details Voltage regulator for battery power source Voltage regulator for battery power source

1978-03-09

1979-04-24

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

G05F 156

Patent

active

041514564

ABSTRACT:
A voltage regulator for a battery power source capable of maintaining a predetermined voltage until the battery voltage decays to very nearly the predetermined voltage uses a bipolar transistor in series with the battery as the control element in series with a zener diode and a resistor. A field effect transistor between the base of the bipolar transistor and a junction between the zener diode and resistor regulates base current of the bipolar transistor, thereby to regulate the conductivity of the bipolar transistor for control of the output voltage.

REFERENCES:
patent: 3813595 (1974-05-01), Sheng
patent: 3899693 (1975-08-01), Gaudreault
patent: 4005353 (1977-01-01), Yokoyama

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