Voltage regulators of a type using a common-base transistor ampl

Details Voltage regulators of a type using a common-base transistor ampl Voltage regulators of a type using a common-base transistor ampl

1976-12-02

1978-02-14

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

323 22T, 323 69, 330307, 323 19, 330291, G05F 164

Patent

active

040741818

ABSTRACT:
Circuitry for providing temperature-compensated regulation of the voltage between first and second terminals includes a first, shunt regulator transistor with emitter and collector connected to the first and second terminals, respectively, and a direct coupled degenerative feedback connection between the second terminal and the base of the first transistor. This feedback connection includes a second transistor of the same conductivity type as the first transistor connected in common base-amplifier configuration, with a positive-temperature-coefficient offset potential being maintained between the second terminal and the emitter of the second transistor, with a negative-temperature-coefficient being applied between the first terminal and the base of the second transistor, and with a predetermined flow of current being maintained between the second terminal and the collector of the second transistor, which collector is direct-coupled to the base of said first transistor.

REFERENCES:
patent: 3617859 (1971-11-01), Dobkin et al.
patent: 3820007 (1974-06-01), Schilling et al.
patent: 3828240 (1974-08-01), Keller et al.
patent: 3916508 (1975-11-01), Conzelmann et al.
patent: 4017788 (1977-04-01), Stepp et al.

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