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PLL frequency synthesizer

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bitsmart

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how the output of a PLL frequency synthesizer is satable and accurate?plz help
 

betwixt

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If you mean "why is the output of a PLL frequency synthesizer stable and accurate?" the answer is that if designed properly, the output frequency is a multiple of a lower stable frequency, usually one that is crystal controlled for stability. If the multiplier is constant and the reference signal is stable, the output will also be stable.

Brian.
 
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