Hi The standard FE-5680 very much has an LC filter between the output amp and the output pin. I'd take out their filter and put this one in. I would not use both together.
Bob On Jun 20, 2012, at 7:23 PM, Joseph Gray wrote: > I thought I'd put one on a FE-5680A and see what happens to the third > harmonic. It might also be interesting to see if I get a decent sine > wave out of the filter with a square wave in. > > Joe Gray > W5JG > > On Wed, Jun 20, 2012 at 3:49 PM, Bob Camp <[email protected]> wrote: >> Hi >> >> That's a pretty high order filter. The output of most OCXO's already has a >> filter on it. Combining two filters (especially high order ones) without >> isolation between them is not a good idea. The resulting transfer function >> will not be what you expect it to be…. >> >> Bob >> >> On Jun 20, 2012, at 4:54 PM, Joseph Gray wrote: >> >>> I came across this filter design recently and thought I'd build a few. >>> >>> http://www.jwmeng.com/AppNote/AppNote003.html >>> >>> I was about to place a Mouser order when I came across someone selling >>> filters, based on the above design. >>> >>> http://www.ebay.com/itm/10-MHz-filter-kit-for-tcxo-gps-pll-/110893777470 >>> >>> The price with a board seemed low enough that I ordered a few. I'll >>> let everyone know how they work out. >>> >>> Joe Gray >>> W5JG >>> >>> _______________________________________________ >>> time-nuts mailing list -- [email protected] >>> To unsubscribe, go to >>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>> and follow the instructions there. >> >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
