[SI-LIST] CPW
- From: Vinod Koul <koul@xxxxxxxxxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Thu, 26 Aug 2004 03:57:44 +0530 (IST)
Hello SI experts,
Can any body help me in the synthesis of CPW.
I tried to calculate the CPW parametrs using the formulation given
in RAINEE SIMONS: coplanar waveguide circuits, components and systems,
wiley interscience. this is the only place which deals with synthesis
of CPW. but has errors, i checked with the orignal ref and made
corrections. well getting to point, there two sets of formulae are
given 1st calclates slot width given all other things, and second
central conductor width.
But both these sets are not consistent with each other, like i tried
to simulate both equations in MATLAB, and answers in both were not
consistent with each other. For eg i calc, S= 272Micrometer for er=13,
Z=50, w=100u, h=100u, now for second set, its giving w = 18u, for the
same data as abive (s= 272u)!!!!
can anyone help me out
______________________________________________________
Vinod Koul
Graduate Student.
Microwave Lab.
Dept of ECE.
IISc, Banglaore.
Cell No +91 9886034503
Lab +91 80 2293 2853
________________________________________________________
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