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[Ques] Sigma Delta Fractional-N Synthesizer in ADS

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haadi20

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fractional-n sigma-delta synthesizer

Has anybody tried system level simulation in ADS for Sigma-Delta Fractional-N Frequency Synthesizer?

Please do not send any theoretical papers or links as i have gone through many.

What i am looking for is an example in ADS...which simulates the sigma-delta Fractional N Frequency synthesizer at system level using the blocks available such as Charge-Pump PFD, VCO, Divider etc...

I have observed that there is no ready-made block for sigma delta as such so one has to build it...so an example for it will be very useful for me..
Thanks and Regards
 

nani

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hi ,

i used simulink for system level simulation .fractional n frequency synthesizer is readily available in communication blockset

u can get better models in mathworks main wedsite.
 

sunn

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attached is a "DELTA SIGMA Fractional-N Synthesizer" design Project created by @DS 2005A Design Guide. hope can help you....:D
 

    haadi20

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