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How to add a flicker noise source to a component ?

wighou

 Hello,

 I didn't find any noise source in the analogLib. Does exist a way to generate flicker or shot noise ? In the positive case, is this noise cyclostationnary (dependent of the instantaneous value of the signal) ?

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  • Andrew Beckett

    This ought to be possible - modelling noise and cyclostationary noise is certainly possible. This model isn't actually generating cyclostationary noise, but presumably the circuit is supposed to be translating that noise up in frequency, and the periodic nature of the circuit should result in cyclostationary noise?

    Not really that easy to see what's going on without seeing the test circuit you're using. I suggest that if you can't post that here, you contact Cadence Customer Support, when we can work through this in more detail.

    Regards,

    Andrew.

Reply
  • Andrew Beckett

    This ought to be possible - modelling noise and cyclostationary noise is certainly possible. This model isn't actually generating cyclostationary noise, but presumably the circuit is supposed to be translating that noise up in frequency, and the periodic nature of the circuit should result in cyclostationary noise?

    Not really that easy to see what's going on without seeing the test circuit you're using. I suggest that if you can't post that here, you contact Cadence Customer Support, when we can work through this in more detail.

    Regards,

    Andrew.

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