Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A. Attorneys at La
Input clamping structure for sound quality improvement in car-radio class-AB power amplifier design
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.
STMicroelectronics (Shenzhen) R&D Co. Ltd.
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Mei YueHua Xaut XiangSheng Kelvin
Yang Wang Zhang Li Wen