Voltage responsive switch with input voltage surge protection

Details Voltage responsive switch with input voltage surge protection Voltage responsive switch with input voltage surge protection

1980-09-29

1982-01-12

Miller, J. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

307362, H02H 320, H03K 5153

Patent

active

043108679

ABSTRACT:
A high gain voltage responsive current source supplies emitter current to a lateral input PNP transistor in a monolithic integrated circuit voltage responsive switch and, in conjunction with an impedance between the voltage signal input terminal and base region of the input PNP transistor, protects the voltage responsive switch from negative voltage transients at the signal input terminal.

REFERENCES:
patent: 3493782 (1970-02-01), Georgi
patent: 3628059 (1971-12-01), Niu
patent: 3675045 (1972-07-01), Mullaly
patent: 3725673 (1973-04-01), Frederiksen et al.

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