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  1. crystalwhu

    Pulse Phase measure

    I want to measure phase of two pulses. so I want to design a JK trigger to realise it .when the first pulse comes.the trigger flips-flop, and the second pulse comes. the trigger flips-flop again, and I can acquire a square wave ,then I can use a high frequence CLK AND it ,the result can be...
  2. crystalwhu

    question of protel99SE

    That is to say the label has not been connected with electrical signal .
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