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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.