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How the "region" operating Point is determined by Spectre ADE

Dear All,

For typical long channel, the condition for the saturation (active) region of NMOS is VDS > ( VGS-VTh).

For short channel we can use vdssat for determining the active region of NMOS i.e. NMOS is in active region if VDS > vdssat.

Can anybody please tell how Spectre determines the region (particularly Active i.e. region-2) for NMOS ?

Kind Regrads,

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Andrew Beckett over 5 years ago

There's a section which covers this (for bsim4 at least) called "Device Regions" in the Spectre Circuit Simulator Components and Device Models Reference
manual
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RFStuff over 5 years ago in reply to Andrew Beckett

Thanks Andrew.

I am using BSIM-IMG model. Does spectre evaluates the region OP parameter (OP-57) for this model in the same way as that of bsim4 Model ?
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Andrew Beckett over 5 years ago in reply to RFStuff

I think so.

Andrew
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Andrew Beckett over 5 years ago in reply to RFStuff

I think so.

Andrew
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