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Posts: 4
Registered: ‎02-15-2017
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Does Si53159 require input AC-coupling when driven by HCSL clock?

I'm using Si53159 to fan out PCIe reference clock from the standard motherboard slot (HCSL). Judging by the datasheet the clock from the slot may be connected directly to Si53159 DIFFIN+/DIFFIN- inputs. Could anyone please confirm that no AC-coupling is required?

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Posts: 70
Registered: ‎03-03-2014

Re: Does Si53159 require input AC-coupling when driven by HCSL clock?

AC coupling is not required, DC coupled inputs are fine. 

 

Sincerely

Fran