[SI-LIST] Single ended s-parameters of a differential mircostrip line
- From: "pritchard, jason" <pritchard_jason@xxxxxxx>
- To: SI List <si-list@xxxxxxxxxxxxx>
- Date: Tue, 15 Nov 2005 09:49:43 -0500
Hi All,
I have a Differential Microstrip line with the parameters below.
If you were to look at the Single ended s-parameters for a 12 inch line you
will see it resonate at 5.94 GHz and 11.9 Ghz for a 6 inch line etc....
Given these parameters how do you calculate the point at which the single
ended s-parameters will resonate? I know it's a function of the length and
the coupling to the other line because you don't see this effect with a
single trace. I just don't know the mathematical relationship.
Thanks,
Jason
* Units are per inch
+Co =
+ 2.539e-12
+ -2.498e-13 2.539e-12
+Lo =
+ 8.362e-09
+ 1.227e-09 8.362e-09
+Gd =
+ 3.173e-13
+ -2.341e-14 3.173e-13
+Ro =
+ 7.145e-02
+ 0.000e+00 7.145e-02
+Rs =
+ 3.196e-05
+ 1.365e-06 3.196e-05
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