Protection circuit for switching power amplifier

Details Protection circuit for switching power amplifier Protection circuit for switching power amplifier

1983-08-15

1985-04-02

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

361 98, 330207P, 330 10, H02H 720

Patent

active

045091013

ABSTRACT:
A protection circuit for a switching power amplifier comprises a first detection circuit which detects a current flowing through an output stage switching circuit, a second detection circuit which detects an output voltage of the output stage switching circuit, and an amplitude limitation circuit which limits the amplitude of an input signal to the output stage switching circuit in accordance with both the first and second detection. Thus the switching circuit is surely protected from destruction.

REFERENCES:
patent: 3904979 (1975-09-01), Suzuki
patent: 4173739 (1979-11-01), Yoshida
patent: 4216517 (1980-08-01), Takahashi
patent: 4355341 (1982-10-01), Kaplan

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