This document covers various methods but I agree with Rick about phase locking a separate crystal oscillator; harmonic frequency multiplication is more useful at higher frequencies where other methods are unavailable:
http://www.qsl.net/va3iul/Frequency_Multipliers/Frequency_Multipliers.pdf An alternative very simple design I might try is a variation of the active frequency multiplier where the 5th harmonic is filtered directly from the output of the digital divide by two stage. On Wed, 18 Jan 2017 18:28:32 +0000, you wrote: >Hello, > >I am looking for a good X5 multiplier to use to generate a 25MHz signal from >my 10MHz OCXO. I want to divide by 2 and multiply by 5 with a bandpass filter >in the output and then a 3.3 volt 25MHz signal out. >Maybe someone has better ways? > >Loren Moline WA7SKT _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
