>From the John's link, i found another interesting link: http://forms.analog.com/form_pages/rfcomms/adisimpll.asp
adisimpll is a PLL design tool, especially useful in the loop filter design. 73 de Normand VE2UM Montreal, Qc. Canada --- John Miles <[EMAIL PROTECTED]> wrote: > I agree that injection locking may not be ideal, but > mainly because it's not > that hard to do the job with an actual PLL. Here's > an example of a > quick-and-dirty Gunnplexer hack with an Analog > Devices PLL chip and a > Hittite prescaler: http://www.ke5fx.com/gunnpll.html > . Close-in spectral > purity was not great, but it would be fine for NBFM > work. > > -- john, KE5FX > > > -----Original Message----- > > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] > > Behalf Of Didier Juges > > > > If you are talking about injection locking, that > will probably not be > > practical. The Gunn is not stable enough (not the > Gunn itself, but the > > cavity where it will be installed) to stay close > enough to the right > > harmonic to stay locked, and the high order > difference between the gunn > > and the injection signal makes it just about > impossible. Even if you > > could lock it, you probably would have 10 MHz > spurs (I am just guessing). > > > > Phase locking through a PLL system is possible of > course, even though it > > will be relatively complicated, unless you find > one of these synthesizer > > boards on eBay, designed for YIG oscillators, and > modify it to drive a > > varactor. > > > > > _______________________________________________ > time-nuts mailing list > time-nuts@febo.com > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts