FAQ: Using Standard S-Parameter Files In Eagleware(Genesys)

Document created by Jim Employee on Jun 21, 2010Last modified by AndyR on Jan 31, 2012
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I'm using the ADL5521 S-Parameter files in Eagleware (Genesys) simulation software and S21 and S12 seem to be reversed. What is wrong?




The Genesys format has switched positions (with respect to a standard s-parameter file)  for S12 and S21 as well as for S13 and S31.


The procedure for fixing this is as follows

  1. Delete “ADL5521_de_embeded….s3p” Dataset file at Workspace Tree by right click.
  2. Open “SP1” properties on Sch1.
  3. Push “Advanced options...” and select “Use parameters and Model as Entered”. Do not select “Use Datafile” here.
  4. Put the cursor on “FILENAME”, and select “ADL5521...s3p” file from Browse button.
  5. Confirm “SdataFormat” parameter is Touchstone.
  6. Calculate.