Input clamping structure for sound quality improvement in car-radio class-AB power amplifier design
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United States of America Patent
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May 3, 2016
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N/A
app pub date -
Jan 19, 2015
filing date -
Dec 30, 2011
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Abstract
A clamping circuit for a class AB amplifier includes a reference voltage circuit, four NPN Darlington transistors having inputs coupled to the reference voltage circuit, and outputs for providing four clamped voltages and a split NPN Darlington transistor having an input coupled to the reference voltage circuit, and four separate outputs for providing four AC ground voltages.
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