Pulse signal processing circuit having a protection circuit agai

Details Pulse signal processing circuit having a protection circuit agai Pulse signal processing circuit having a protection circuit agai

1982-06-24

1984-10-09

Shoop, William M.

Electricity: power supply or regulation systems

Output level responsive

323276, 361 87, 361 97, 363 55, G05F 110

Patent

active

044764278

ABSTRACT:
For protection of an output switching transistor used in a pulse signal output circuit, the present invention provides a first detector for detecting over-current flowing through the output switching element, a second detection circuit for producing a detection signal in response to detection of over-current by the first detector in excess of a predetermined rate, and a protection circuit protecting the output switching element by suppressing the current flowing therethrough in response to the detection signal. The protection circuit may suppress the current flowing through the output switching element by both the output of the over-current detector and the detection signal.

REFERENCES:
patent: 3703679 (1972-11-01), Heidt
patent: 4315295 (1982-02-01), Zocholl

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