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Transformer Model Using EMX

Hi,

On n-port extraction of passives (in this case a transformer), I observe that pin selection (internal or edge) has effect on L and Q. My question is, which one is correct (closer to Silicon)?

Also, on EMX form, advanced options, when should we ever select the "Radiation" box?

Thanks!

Parents

Tawna over 2 years ago

There are two Articles on Cadence Online Support that'll help you on these questions:

How and when to turn on full-wave mode in EMX

EMX by default uses quasi-static mode. If you have a testcase that falls into a class of structures where the size and highest frequency are not valid for quasi-static mode, then you must use full-wave mode. Select the radiation checkbox to turn on full-wave mode. Important: you MUST use referenced port syntax for this to work properly. See the Article for details.

With regards to pin selection (internal vs edge) and general best practices, see:

Tips on Specifying Ports in EMX

and

Using 'Cadence pins' as ports with access direction in EMX simulations

Finally, I recommend this Article - a collection of "best practices" and helpful links:

EMX "Quick Start" articles for new users

best regards,

Tawna
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Tawna over 2 years ago

There are two Articles on Cadence Online Support that'll help you on these questions:

How and when to turn on full-wave mode in EMX

EMX by default uses quasi-static mode. If you have a testcase that falls into a class of structures where the size and highest frequency are not valid for quasi-static mode, then you must use full-wave mode. Select the radiation checkbox to turn on full-wave mode. Important: you MUST use referenced port syntax for this to work properly. See the Article for details.

With regards to pin selection (internal vs edge) and general best practices, see:

Tips on Specifying Ports in EMX

and

Using 'Cadence pins' as ports with access direction in EMX simulations

Finally, I recommend this Article - a collection of "best practices" and helpful links:

EMX "Quick Start" articles for new users

best regards,

Tawna
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Children

illaoi over 2 years ago in reply to Tawna

Tawna,

Appreciate the prompt reply, the contents were very helpful.
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Tawna over 2 years ago in reply to illaoi

Happy to assist!
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