[SI-LIST] Re: Varying the Reference Impedance of S21

  • From: Scott McMorrow <scott@xxxxxxxxxxxxx>
  • To: David Banas <DBanas@xxxxxxxxx>
  • Date: Wed, 2 Sep 2015 12:20:57 -0400

http://qucs.sourceforge.net/tech/node98.html





Scott McMorrow
Consultant - R&D
Teraspeed Consulting - A Division of Samtec
16 Stormy Brook Rd
Falmouth, ME 04105
(401) 284-1827 Business
http://www.teraspeed.com

On Wed, Sep 2, 2015 at 12:05 PM, David Banas <DBanas@xxxxxxxxx> wrote:

http://product.tdk.com/en/technicalsupport/seat/etutorial_007.pdf


-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Ian Ian
Sent: Tuesday, September 01, 2015 6:44 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Varying the Reference Impedance of S21

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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