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Demystifying the PLL

Demystifying the PLL - RF CafeAs RF and microwave engineers we use a lot of frequency sources that are synchronized to reference oscillators. Doing so requires some form of phase-locked loop circuitry. Feedback and control circuits classes in college taught the basics that are simple enough to understand, but unless you happen to have designed a PLL circuit during your career - we more often buy packaged devices or modules that someone else designed - chances are the concept has become a bit fuzzy by now. This brief article in EDN runs over the basics of PLL operation.

Demystifying the PLL - RF Cafe



Posted  April 2013
 

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