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AD8302 Phase Detector

Question asked by sonnekhoa on Nov 11, 2016
Latest reply on Nov 21, 2016 by jdobler

Hello,

 

I have been confused with the phase detector definition in AD8302 datasheet. On the first page, it says that "The AD8302 includes a phase detector of the multiplier type". But on page 15, the phase detector is said to be an XOR digital type.

 

Could anyone please tell me how AD8302's phase detector works? And what cause the error in phase measurement at peak points (180 and 0 degree). 

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