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Discrimination phase margin monitor circuit, transmitting/receiving device and communication system
Discrimination phase margin monitor circuit, transmitting/receiving device and communication system
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机译:鉴别相位余量监视电路,收发装置及通信系统
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摘要
The discrimination phase margin monitor circuit (10) of the present invention comprises a first discrimination circuit (11 and 12) discriminating an input data signal using a clock signal extracted from the input data signal, a second discrimination circuit (13 and 14) discriminating the input data signal using a clock signal with a frequency different from that of the clock and an operation circuit (15 and 16) calculating the exclusive OR of the output signal of the first discrimination circuit and that of the second discrimination circuit and obtaining a phase margin monitor output signal by averaging the exclusive ORs.
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