CKC & Partners Co., LLC
Communication receiving device and clock data recovery method
A communication receiving device includes a clock data recovery circuit, an analog-to-digital converter (ADC), a channel evaluating circuit, a first equalizer, and a selector. The clock data recovery circuit is configured to generate a clock signal according to a first digital signal. The ADC is coupled to the clock data recovery circuit, and configured to convert a first analog signal to a second digital signal according to the clock signal. The channel evaluating circuit is configured to analyze the second digital signal to output a selection signal. The first equalizer is coupled to the ADC, and configured to equalize the second digital signal to generate a third digital signal. The selector is coupled between the first equalizer, the ADC, and the clock data recovery circuit. The selector is configured to output the second digital signal or the third digital signal as the first digital signal according to the selection signal.
GLOBAL UNICHIP CORPORATION TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
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Hsun-Wei Wen-Juh Yu-Chu
Kao Kang Chen