Class-D driving method for stereo load

Details Class-D driving method for stereo load Class-D driving method for stereo load

2011-02-15

2011-02-15

Chin, Vivian (Department: 2614)

Electrical audio signal processing systems and devices

With amplifier

C330S251000

Reexamination Certificate

active

07889875

ABSTRACT:
The present invention provides a class D amplifier and method for driving a tri-wired stereo amplifier. Additionally, the class D amplifier includes a first filter, a second filter, a processor, a 2D-quantitizer, a signal generator, and a logic circuit. The class D amplifier and method of the invention can reduce cost of production and increase processing efficiency. More particularly, the class D amplifier and method of the invention are processed in an optimal feedback mode, so as to reduce the reciprocal effect between the two channels, and avoid mismatch of the two amplifiers.

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patent: 7492217 (2009-02-01), Hansen et al.
patent: 2008/0278230 (2008-11-01), Kost et al.

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