Fail-safe amplifier power supply

Details Fail-safe amplifier power supply Fail-safe amplifier power supply

1980-11-12

1982-03-16

Shoop, William M.

Electric power conversion systems

Current conversion

With means to selectively provide d.c. of either polarity

323267, H02M 302

Patent

active

043204473

ABSTRACT:
A fail-safe power supply for providing operating potential to a first, e.g. drain, electrode of a device, such as a gallium-arsenide field effect transistor (GaAsFET) and the like, only if operating potential, of an opposite polarity, is previously applied to another, e.g. gate, electrode of the device. A DC-to-DC converter is powered by the gate electrode potential to provide drain electrode potential only when gate electrode is present. Both the gate and drain potentials may be electronically regulated. The DC-to-DC converter and the dual regulators may be fully integratable into a single four-lead integrated circuit.

REFERENCES:
patent: 3133242 (1964-05-01), Harries
patent: 3747008 (1973-07-01), Zaretsky
patent: 3826969 (1974-07-01), Eichelberger et al.
patent: 3944908 (1976-03-01), Oki

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