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Phase Detector and Sampling Phase Detector (If any, what is the difference?)

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Microwave123

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Hi all,

I'll been looking for a microwave (>10GHz) phase detector. The only ICs that came across is something called a "sampling phase detector". From looking at the datasheets of those ICs, it seems like the sampling phase detector is measuring the frequency difference between two input signals (what a frequency detector should do). Please let me know what is a Sampling Phase Detector. Is it just another name for frequency detector?

Thanks,

Microwave123
 

I think you are referring to sub-sampling phase detector. It basically uses a sub-harmonic frequency as input to the phase detector.
 

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