Class-D amplifier

Details Class-D amplifier Class-D amplifier

2007-02-27

2007-02-27

Mottola, Steven J. (Department: 2817)

Amplifiers

Modulator-demodulator-type amplifier

C330S251000

Reexamination Certificate

active

10967807

ABSTRACT:
A class-D amplifier for pulse-width-modulating an analog input signal to output a pulse-width-modulated signal, includes: a differentiating circuit for differentiating the pulse-width-modulated signal of the class-D amplifier; and a negative feedback circuit for feeding back the differentiated signal of the differentiating circuit to an input side of the class-D amplifier in a negative feedback manner.

REFERENCES:
patent: 2006/0006933 (2006-01-01), Nguyen

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