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SimPLLTM 
SimPLL is the easy way to design, optimise and simulate PLL frequency synthesizers.   SimPLL accurately predicts the  phase noise, reference spurs,  lock time, modulation response and more.   Use SimPLL and get tough  PLL designs right first time.   Download the FREE demo with interactive PLL tutorial.

Click here for the ADIsimPLL Users' ForumADIsimCLK Users' Forum and the  ADI SRD Design Studio Users' Forum

Announcing ADI SRD Design Studio - a comprehensive design tool for developing Short Range Device products.   Click here for the the ADI SRD Design Studio Users' Forum ., and here for the support page  ADI SRD Design Studio support.  

ADI SRD Design Studio is available as a free download from the Analog Devices website

Our RF Design File contains articles on RF design written by our experts.  A recent article of interest to PLL designers is on predicting the phase noise from the digital components (dividers,  phase detector) in a PLL synthesizer. 

Understanding Phase Noise from Digital Components in PLL Frequency Synthesizers

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