Ulf on the A3 module I think you are correct. It may be very reasonable to create a new version of the unit. As I recall its multipliers and a power amplifier. Kind of a curious question can a PLL be used and a power amplifier? Just thinking of a simplified multiplier chain. Regards Paul
On Tue, Aug 25, 2020 at 2:53 PM Ulf Kylenfall via time-nuts < [email protected]> wrote: > > Ah.. > The two A3-units I have are labelled Series 820 and 836. > Luckily, there has been no problem adjusting thetrimmer capacitors. The > inductor I do not dareto touch. I know too well how brittle a stuck ferrite > core is... > > Can someone point to a downloadable manualwith schematics/parts list for > the 2644A-version? > I did create a "Replica" of a later version of the A7 AC-amplifierusning > OP-07's and precision film capacitors whichperformed very well. As long as > semiconductors are availableI would not hesitate to create a replica of the > A3 as wellshould it come to that. > > One question for Corby Dawson: What type was the OP-Ampused in your > updated integrator? I have not been able to find itor an equivalent. OK to > use OPA111AM? > Best Regards > Ulf Kylenfall > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
