Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wee Sien Hong0
Chew Yuan Woong0
Shiah Siew Wong0
Tien Yew Kang0
Date of Patent
November 4, 2008
0Patent Application Number
114651450
Date Filed
August 17, 2006
0Patent Primary Examiner
Patent abstract
A differential input Class D audio power amplifier incorporating a differential error amplifier is introduced. In response of differential input signal, this differential error amplifier generates two error signals, which subsequently generates final output signal. This architecture makes it the effect of feedback signal error correction doubled, which helps in achieving good THD. In addition, input port of this architecture is also compatible with single-ended signal. A pop noise suppression technique for this differential input Class D audio power amplifier is also introduced.
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