[SI-LIST] Varying the Reference Impedance of S21

  • From: "Ian Ian" <dmarc-noreply-outsider@xxxxxxxxxxxxx> (Redacted sender "chen" for DMARC)
  • To: "si-list@xxxxxxxxxxxxx" <si-list@xxxxxxxxxxxxx>
  • Date: Wed, 2 Sep 2015 01:44:30 +0000 (UTC)

I have a S21 based on 50 Ohm reference impedance. Does anyone know how to
transform the S21 with reference impedance other than 50 Ohm?
For example, the magnitude and phase of S21 based on 50 Ohm reference impedance
are 0.294 and 57.434 respectively. How do I calculate the S21 with the
reference impedance changed to 40 Ohm?
EDA tool can be utilized and the transformed magnitude and phase are 0.277 and
60.196.However, what I am interested in is how to manually calculate it...
Thank you!
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