On Thu, 28 Jul 2016 14:06:09 -0700 Alex Pummer <a...@pcscons.com> wrote:
> On 7/28/2016 11:03 AM, Attila Kinali wrote: > > On Fri, 22 Jul 2016 08:19:43 +0000 (UTC) > > Bruce Griffiths <bruce.griffi...@xtra.co.nz> wrote: > > > >> No, the first one merely uses a pair of cascaded heterodyne PLLs > >> as shown on p3 of the manual. > > Ok. I tried to understand how this circuit works. While I can see > > how a small and precise frequency offset can be produced, I do not > > see how a small phase offset with fixed frequency can be produced. > > At least not at the 100fs resolution level they are claiming in > > the manual. Would someone be so kind and explain the working > > of the circuit? > if you send the circuit to me Attila, I would try to help you Ah.. sorry. the link got cut off when i trimmed the mail. It's the one on page three in the FemtoStepper manual: http://www.spectratime.com/products/itest/clock-instruments/FemtoStepper/ Attila Kinali -- Malek's Law: Any simple idea will be worded in the most complicated way. _______________________________________________ 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.