Class AB signal generation apparatus

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United States of America Patent

PATENT NO 9203423
APP PUB NO 20150054584A1
SERIAL NO

13972920

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A signal generation apparatus includes a digital-to-analog converter, a bias stage and a class AB output stage. The digital-to-analog converter is arranged for outputting a current as an input signal. The bias stage is coupled to the digital-to-analog converter, and is arranged for generating a bias signal according to at least the input signal. The class AB output stage is coupled to the bias stage, and is arranged for generating an output signal at an output node of the signal generation apparatus according to the bias signal, wherein the output signal includes a first signal component and a second signal component, both the first signal component and the second signal component correspond to the input signal, and there is a linear relation between the output signal and the input signal.

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Patent Owner(s)

  • MEDIATEK INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Wen-Hua Tainan, TW 23 100

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