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Problems with EM-cosimulation and schematic results for CPWG structures

Question asked by jeff0283 on Mar 5, 2016
Latest reply on Mar 5, 2016 by jeff0283
Hi ,
I have designed the output matching with CPWG(cpw with ground) line and L,C component.
schematic.png
EM1_2.png
EM2_2.png
EMcosim.png
But the result of EM-cosimulation looks strange and different from the result  of schematic.
(S(37,37) is for schematic, S(39,39) is for EM cosimulation)
result.png

Can someone give me any advice about my layout and EM result??
Thanks~

Edited by: jeff0283 on Mar 5, 2016 6:24 AM  

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