Power supply rejection technique for switching amplifier

Details Power supply rejection technique for switching amplifier Power supply rejection technique for switching amplifier

2006-02-28

2006-02-28

Mottola, Steven J. (Department: 2817)

Amplifiers

Modulator-demodulator-type amplifier

C330S20700P

Reexamination Certificate

active

07005917

ABSTRACT:
Apparatus and methods greatly improve AC and, optionally, DC power supply rejection in a switching amplifier. The method broadly includes the steps of modulating the amplifier output with a compensatory signal necessary to maintain a minimum difference between an otherwise unmodulated ancillary reference switching amplifier and a static or dynamic reference.

REFERENCES:
patent: 5077540 (1991-12-01), Keith et al.
patent: 6466087 (2002-10-01), Ruha
patent: 6504427 (2003-01-01), Midya et al.
patent: 6538505 (2003-03-01), Kirn
patent: 6781453 (2004-08-01), Kirn

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