[SI-LIST] Re: S-parameter for serial channel

Angela, you are mostly concerned with the differential S parameters.  
However, if you have severe common mode problems you can overwhelm your 
receiver's CM range.  So SCC21 and SCC11 are worth looking at.

Steve
Angela Clark wrote:
> Hi,
> I have a question about S-parameter for serial channels like Infiniband,
> Fiber channel, PCI Express, SATA ...
>
> Talkinf about the frequency domain characterstics of the serial channel
> should I look at the SDD21 and SDD11 or SCC21 and SCC11.
>
> Will SCC21 and SCC11  be totally misleading as this is a differential pair.
>
> Thanks in advance for clarifiying the doubt.
>
> Angee
>
>
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