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port calibration in EMX

Dear RF experts,

I have a few questions about EMX:

- In the EMX documents, port calibration is not mentioned anywhere. Could you tell if EMX is capable of doing this, or the calibration is already embedded inside EMX?

- When EM simulating the interconnects to transistors up to ~300GHz, we need to strip off the transistors and place 3-4 closely placed ports (either edge or internal ports) for the transistor terminals. Could EMX calibrate the ports as a group (remove the parasitics among the ports)? Is it better to use edge ports or internal ports in this case?

Thank you a lot and regards,

Anh

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Tawna over 4 years ago

Hi Anh,

EMX ports are not calibrated. They will have end effects. There is no de-embedding of ports.

With regards to edge ports vs internal ports, there is an Article on this on Cadence Online Support Tips on Specifying Ports in EMX

You may want to file a Case on Cadence Online Support if you have EMX questions. The AE who picks up the Case will work with EMX R&D on your question.

best regards,

Tawna
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Frank Wiedmann over 4 years ago in reply to Tawna

Up to what frequency do you expect useful results with the uncalibrated ports of EMX?
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anhchu88 over 4 years ago in reply to Frank Wiedmann

That might be good to have access to AWR/Sonnet since the port group calibration is available with those tools. However, we don't have access so I'm also curious to know from Tawna.
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anhchu88 over 4 years ago in reply to Frank Wiedmann

That might be good to have access to AWR/Sonnet since the port group calibration is available with those tools. However, we don't have access so I'm also curious to know from Tawna.
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