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PSS+PNoise

analogy

Andrew,

A while ago you posted that PNoise can output integrated noise.How are circuit poles taken into consideration ?

  • I don't understand the question - pnoise analysis includes the total noise at the output from each of the noise sources in the circuit multiplied by the gain from that noise source to the output - so the circuit poles are inherently taken into account. I don't really understand why you're asking this - any noise analysis would be useless if it didn't take into account the transfer function of the circuit...

    Regards,

    Andrew

  • I'm sorry, I typed the wrong question.Late night and too tired.Let me rewrite,

    A long while back on Designer's Community you posted this : 

    I was calculating cdd capacitance and found that it's value is different from node capacitance reported by captab.What's the reason for that ?

  • I don't know off the top of my head. I'd have to see an example (I don't have time to prepare one).

    Regards,

    Andrew.

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