High freq VCXO source,can i do in this way?

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wilbert_hj

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i need a high frequency and accuracy VCXO for my infiniand design,can i use digital VCXO,such as cypress cy22393?


any one has such experience and can anybody tell me the techniqes?
 

You arnt telling us enough. What sort of frequency, over what range? Are you tuning to change bands, or just to lock the signal in phase with another?

I'm not familiar with what I assume you mean to be infiniband, and I shouldnt have to look it up to provide an answer, provide more information please.

Changing the value in the flash of the programmable chip dynamically certainly wont work for most apps, but you can vary it very fractionally at discrete intervals depending on what you need. It looks like a pretty dumb feature to me.
 

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