Home Forums Bug Reports s4p not displayed correctly

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  • #5111
    Robert
    Participant

      Reading/plotting s4p  – Touchstone files of 4 port devices – does not work properly. Measurement file of 2 pairs of cables is plotted with positive S11, >20dB. I checked the s4p file in notepad, it is correct.

      #5112
      QucsStudio
      Keymaster

        Would be great if you can share the project (snp-files plus schematics) that shows the problem. Using QucsStudio package file would be best, of course.

        Many thanks!

        #5255
        QucsStudio
        Keymaster

          The s4p files contains data up to 2.4 GHz, your simulation runs up to 24 GHz. I guess this is not what you wanted?

          #7685

          The attached .S3p V1.1 Touchstone output from a VNA does not seem to import correctly into a S3p block.  I have had to convert it to a .DAT file and then convert it back to a .S3p in QucsStudio for it to work correctly.

          #7686

          The attached .S3p V1.1 Touchstone from a VNA does not seem to import correctly into a S3p block in QucsStudio. I have had to convert it to a .DAT file and then convert it back to a .S3p in QucsStudio for it to work correctly.  I’m not sure what’s wrong?

          I have posted this twice since the system did not allow me to upload the .S3p file with a .S3p suffix.

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