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It will either shift it in the right direction or the wrong direction.  Since I do not know which way you need to move the frequency (please tell me), this is a shot in the dark.


I removed my comment regarding direction each cap shifts it because that was an in-the-moment quote from the colpitts chapter I had open on my screen, and on my way home from work, I realized it contradicts what I have said here before and what I have read in other papers.  To sort it out, I am going to build a colpitts with the same values you have and see what it does to the closest crystal I have, 6MHz.  Sanity check, engage! lol