Protection circuit for power amplifier

Details Protection circuit for power amplifier Protection circuit for power amplifier

1978-05-17

1980-08-05

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

361 92, 330207P, H02H 720

Patent

active

042165172

ABSTRACT:
Disclosed herein is a protection circuit for a power amplifier. The protection circuit comprises a current detecting section for detecting a level of a load current of the power amplifier, a voltage detecting section for detecting a level of a load voltage across a load, an AND-gate circuit responsive to outputs of the current detecting section and the voltage detecting section for detecting a short-circuit of the load, and a control section responsive to an output of the AND-gate circuit for disconnecting the load from the amplifier.

REFERENCES:
patent: 3102241 (1963-08-01), Johnstone
patent: 3536958 (1970-10-01), Sondermeyer
patent: 3577035 (1971-05-01), Constable
patent: 3691427 (1972-09-01), Honda et al.
patent: 3898532 (1975-08-01), Frank
patent: 3992678 (1976-11-01), Suzuki

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