Radiation protected solid state voltage regulating apparatus

Details Radiation protected solid state voltage regulating apparatus Radiation protected solid state voltage regulating apparatus

1974-06-27

1977-03-01

Goldberg, Gerald

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

307308, H02H 712, G05F 158

Patent

active

040104036

ABSTRACT:
Series voltage regulator including pass transistors connected between an input terminal and an output terminal. The voltage at the output terminal is stabilized by a feedback arrangement of a reference amplifier and coupling transistors connected between the output terminal and the bases of the pass transistors to control conduction through the pass transistors. A normally non-conducting protective transistor is connected between the bases of the pass transistors and ground. In the event the regulator is exposed to radiation, all the transistors become highly conductive. However, when the protective transistor becomes highly conductive, it biases the pass transistor to cutoff thus preventing the voltage at the output terminal from rising out of control.

REFERENCES:
patent: 3078410 (1963-02-01), Thomas
patent: 3602742 (1971-08-01), Husa
patent: 3679963 (1972-07-01), Free et al.
patent: 3714512 (1973-01-01), Grabowski
patent: 3753078 (1973-08-01), Hedel

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