You could use either the NIST CG JFET doubler or its bipolar CB equivalent.
Bruce > On 11 September 2020 at 08:43 Tobias Pluess <tplu...@ieee.org> wrote: > > > Dear colleagues > > I recently got a FTS1000 oscillator. (Not FTS1000A or B, but just FTS1000, > I assume it is the first version). It is a very nice unit, but I wanted to > know a bit more about its construction and opened it. > After I had replaced the foam which was already quite dissolved, I began > reverse engineering the output amplifier. > Has someone perhaps already done that? > I was thinking about whether it would be possible to replace the output > amplifier with one that has an integrated doubler (as my unit is a 5MHz > version). > > BR > Tobias > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
