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  3. How can I use "nodeset" in mdl ?

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How can I use "nodeset" in mdl ?

ichiro
ichiro over 4 years ago

Although it worked well previous circuit, new circuit has convergence error in mdl simulation.

So, I'd like to use 'nodeset' to help the convergence.

If you know the way or have more good idea, please tell me. 

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  • Andrew Beckett
    Andrew Beckett over 4 years ago

    Just put the nodeset statement in the netlist. It will still be used. There's no specific MDL statement for this (as far as I know) - but the netlist would still honour it (same with "ic").

    Andrew.

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  • ichiro
    ichiro over 4 years ago in reply to Andrew Beckett

    Does the netlist mean input.scs for the simulation?

    And Is the added statement same with Ocean? ( nodeset( "net1" 5 "net34" 2 ) )

    Ichiro

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  • ichiro
    ichiro over 4 years ago in reply to ichiro

    nodeset( "net1" 5 "net34" 2 ) --> nodeset AMP.net051=0

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  • Andrew Beckett
    Andrew Beckett over 4 years ago in reply to ichiro

    I think you've just answered your own question. I'm not sure why you were asking about OCEAN because that's a somewhat orthogonal way of controlling simulation compared with Spectre MDL (you'd use OCEAN or MDL, not both, typically). So yes, you'd put the nodeset AMP.net051=0 line in the netlist (which might be called input.scs - that rather depends on what you've called it if running Spectre MDL).

    Andrew

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  • Andrew Beckett
    Andrew Beckett over 4 years ago in reply to ichiro

    I think you've just answered your own question. I'm not sure why you were asking about OCEAN because that's a somewhat orthogonal way of controlling simulation compared with Spectre MDL (you'd use OCEAN or MDL, not both, typically). So yes, you'd put the nodeset AMP.net051=0 line in the netlist (which might be called input.scs - that rather depends on what you've called it if running Spectre MDL).

    Andrew

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