Power amplifier with low power distortion at output

Details Power amplifier with low power distortion at output Power amplifier with low power distortion at output

2008-05-06

2008-05-06

Choe, Henry (Department: 2817)

Amplifiers

Modulator-demodulator-type amplifier

C330S251000

Reexamination Certificate

active

07368986

ABSTRACT:
A digital/analog amplifier includes the following coupled in series: a pulse-width modulator, a control circuit, a power inverter and a filter. The power inverter comprises two transistors series-connected between a power supply terminal and a ground of the amplifier. The control circuit drives the transistors of the power inverter. One output of the filter forms an output of the amplifier to which a load is connected. The amplifier also comprises a capacitive circuit parallel-connected to the output of the power inverter.

REFERENCES:
patent: 6351184 (2002-02-01), Miao et al.
patent: 6628166 (2003-09-01), Delano
patent: 7205834 (2007-04-01), Goto

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