N-well and P-sub in HFSS (for spiral inductor)

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neoflash

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Hi,

Some papers suggested using N-well under spiral as PGS. However, setting up this HFSS seems not easy.

There will be PN junction between N-well and P-substrate, while setting this up in any FEM EM solver seems impossible. Any suggestion for doing modeling with this?

Please suggest some references if possible.

Thanks,
Neo
 

how to form diode in FEM solver?
 

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