Pulse width modulation amplifier circuit

Details Pulse width modulation amplifier circuit Pulse width modulation amplifier circuit

1989-08-03

1990-08-28

Mottola, Steven

Amplifiers

Modulator-demodulator-type amplifier

330251, H03F 338, H03F 3217

Patent

active

049528840

ABSTRACT:
A pulse width modulation amplifier circuit pulse modulates a triangular carrier wave with an analog input, and the pulse width modulated signal is amplified and demodulated. To reduce radiated interference, the carrier is first frequency modulated by a random signal.

REFERENCES:
patent: 3995178 (1976-11-01), Gilbert
patent: 4337438 (1982-06-01), Guggenbuhl et al.
JP 57 170606, Patent Abstracts of Japan, Jan. 19, 1983, vol. 7, No. 13.
De-Z: TDA7260: Treiber-IC fur Klasse-D-Verstarker, Elektor, Apr. 1987, S. 71-73.

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