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PSS, Pnoise Simulation setting for Sigma Delta Modulator

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gmcfilter

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pnoise simulation

Hi Alls

How to setting the Spectre

Pss Pnoise setting

I don`t have any reference

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ksj116

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pss+pnoise

find the cadence manual for the SpectreRF, u had better find out the latest release.
 

mr_chip

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sigma delta simulation

In general you can't simulate the SDM loop with PSS as it is not periodical, so PSS will never converge.

However there are some methods to estimate the noise using some open-loop methods. One example can be found at designers-guide.org.
 

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