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External prescaler vs internal prescaler, when we consider spurs in PLL

Question asked by J.Park on Jun 12, 2017
Latest reply on Jun 28, 2017 by icollins

Hi.

I'm designing a PLL to synthesize 50 MHz to 800 MHz.

So, I need division ratio of 16 for simple design.

 

When the spurs are considered, which one is better between an external prescaler and internal prescaler?

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