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Pole-Zero analysis

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Hi ,

Just wondering whether is there anyway for extracting poles/zeroes from spectre simulation.

Tried PZ analysis in Spectre -> doesn't give valid poles/zeroes.


Can any one help me out ?

Thanks in advance!

Ram


Originally posted in cdnusers.org by Ram
Parents

  • In general it's better to start a new thread (you can always include a link to the old one) rather than continuing a very old one... I thought about splitting this into a new thread, but I'll leave this one for now.

    Anyway, the behaviour you describe sounds very odd - unless you have frequency dependent (i.e. where the component value varies with frequency) components in your circuit, as I pointed out towards the top of this thread.

    What is the make up of your passive filter? How is it represented?

    Regards,

    Andrew.

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  • In general it's better to start a new thread (you can always include a link to the old one) rather than continuing a very old one... I thought about splitting this into a new thread, but I'll leave this one for now.

    Anyway, the behaviour you describe sounds very odd - unless you have frequency dependent (i.e. where the component value varies with frequency) components in your circuit, as I pointed out towards the top of this thread.

    What is the make up of your passive filter? How is it represented?

    Regards,

    Andrew.

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