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All, New S4P Touchstone files with measurement data up to 5GHz has been uploaded to the website.
Best Regards, Eric From: Ramin Farjad [mailto:Ramin.Farjad@xxxxxxxxxxxx]
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Hi Eric, Having the channel responses at higher frequencies beyond 3GHz will still be helpful for more accurate analysis of different coding/modulations, and sensitivity of each scheme to poor higher frequency response of the channel.
Ideally, it will be helpful to have a typical as well as a possible worst case scenario above 3GHz.
Thanks Ramin From: DiBiaso, Eric [mailto:eric.dibiaso@xxxxxx]
All, I have received some questions concerning the Touchstone Files that are available on the private area of the NGAuto Website.
First, to further clarify the data format a new README file has been uploaded to the website. This README file illustrates the transformation required to convert the single ended S4p files to the mixed mode domain.
Second, I have been asked if it would be possible to supply test data for the link segments above the current 3GHz up to 5GHz. As I mentioned in Charlotte, the cables and connectors tested are only specified to maximum of 3GHz. I can
of course supply data to 5GHz, but it will have the following consequences: 1. The results may be poor for the higher frequencies 2. The results at those higher frequencies may not be consistent if a different batch of samples from different production lots would be built and re-tested.
With these 2 things in mind, we can provide the s4p data up to 5GHz.
Please let me know if this higher frequency data would be valuable to your analysis.
Best Regards, Eric |