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Coplanar Waveguide (CPW) Simulation
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Hi
I am trying to simulate a simple CPW in ADS momentum. I have used the differential port setup as shown in the attached image. I have also attached my substrate configuration. The simulation is giving me the following warnings:
--- WARNING -------------------------------------------------------------------
S-parameter results show unphysical behavior for certain frequencies.
Cause : - inaccurate (high frequency) calibration ;
- electrically large via using lumped model ;
- higher order modes at the ports ;
- slot mode at coplanar ports ;
- grouped strip-slot ports ;
- mesh density is too coarse.
and the results are strange as demonstrated in my attached image. I have also attached my workplace file.
Will be delighted if someone can help me with that.
Amir4008 on Feb 7, 2016 7:46 PM
I am trying to simulate a simple CPW in ADS momentum. I have used the differential port setup as shown in the attached image. I have also attached my substrate configuration. The simulation is giving me the following warnings:
--- WARNING -------------------------------------------------------------------
S-parameter results show unphysical behavior for certain frequencies.
Cause : - inaccurate (high frequency) calibration ;
- electrically large via using lumped model ;
- higher order modes at the ports ;
- slot mode at coplanar ports ;
- grouped strip-slot ports ;
- mesh density is too coarse.
and the results are strange as demonstrated in my attached image. I have also attached my workplace file.
Will be delighted if someone can help me with that.
Amir4008 on Feb 7, 2016 7:46 PM
附图/附件
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