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How to synchronize 2 PCBs with only 1 pair of clock?

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xiangx93

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Hi, I got a TX and a RX now, on 2 PCBs, between which I want to establish communication. The problem is, first I only have one pair of differential clock from the clock generator, but both of TX and RX need one.Also, I think they need same-frequency clock to work properly, so using 2 different clock generators is not perfectly reliable.
Now I am thinking of designing an extra PCB, on which the clock to be used is bifurcated to provide 2 clocks. The clock can be running as high as 10GHz, so impedance continuty has to be considered at the bifurcation.
I want to know if there is any other better way to deal this, like using a single-to-differential chip? Or any problem or concern with my method?
 

Hi,

Please draw a sketch of your application.....where we can see
* what
* and how
You want to synchronize.

Rx and Tx seem to be a communication. Does this communication need to be synchronized?
What type are Rx and Tx? Speed, hardware, protocol...

Klaus
 

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