Reverse voltage clamp circuit

Details Reverse voltage clamp circuit Reverse voltage clamp circuit

1983-03-07

1985-02-19

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361 91, H02H 904

Patent

active

044996730

ABSTRACT:
A reverse voltage clamp circuit prevents the collector of an output transistor from substantially crossing a reference voltage near ground potential. The collector of the output transistor is coupled to the emitter of a clamping transistor which has its collector connected to a voltage source through a diode. The base of the clamping transistor is connected through another diode to a reference voltage of a magnitude to prevent the collector of the grounded-emitter output transistor from crossing the ground reference voltage.

REFERENCES:
patent: 4085432 (1978-04-01), Varettoni
patent: 4302792 (1981-11-01), Harwood
patent: 4306185 (1981-12-01), Leuschner

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