I forgot to mention that with the other waveforms (saw, triangle) of the
A-111-3 no problems occured.

Best wishes
Dieter Doepfer

> -----Ursprüngliche Nachricht-----
> Von: Doepfer_a100@yahoogroups.com [mailto: Doepfer_a100@yahoogroups.com ]
> Gesendet: Mittwoch, 9. November 2016 12:57
> An: Doepfer_a100@yahoogroups.com
> Betreff: AW: 1 A-111-3 uPVCO with A-160 divider
>
>
> Sorry for my late reply. But so far I had to A-111-3 available to try it
> out. Indeed the A-111-3/A-160-1 combo does not work as it should under
> certain conditions (problems occured around 250 Hz A-111-3
> frequency). With
> an LFO (A-145) or another VCO (A-110-1) with the same frequency everything
> was fine. To speak the truth I don't really know the exact reason for the
> faulty behaviour in combination with the A-111-3. Maybe it has to do with
> the signal level that generates some kind of crosstalk inside the A-160-1
> (the level of the A-111-3 is higher than the A-145/A-110-1)
> and/or the edge
> details of the A-111-3 signal. Anyway - I found two solutions for the
> problem:
>
> - attenuating the A-111-3 signal by means of an A-183-1 (when the signal
> level is lowered the artefacts disappear at a certain knob position of the
> A-183-1)
> - soldering a capacitor in parallel to the A-160-1 clock input (I tried
> 1nF - 10nF and all worked)
>
> Hope this helps
> Dieter Doepfer
>
>
>
>
> > -----Ursprüngliche Nachricht-----
> > Von: Doepfer_a100@yahoogroups.com [mailto: Doepfer_a100@yahoogroups.com ]
> > Gesendet: Freitag, 14. Oktober 2016 21:17
> > An: Doepfer_a100@yahoogroups.com
> > Betreff: Re: 1 A-111-3 uPVCO with A-160 divider
> >
> >
> >
> >
> >
> > I think the problem is with the divider, not the osc. It did some
> > other strange things today, although most of the time it works, I
> > can't put my finger why it gets funny once in a while. Maybe it
> > is the lots of multiples going out of the divider+sequencer, I
> > don't know... Also the pulse from the pvco opens everything else
> > without any problems. so it can't be that.
> >
> >
> > Best
> >
> >
> >
> >
> > On Thu, Oct 13, 2016 at 12:29 AM, Martin Alaà am
> > < martinalacam@... > wrote:
> >
> > Hello,
> >
> >
> > That's good news, congrats! Looks like everybody was waiting for
> > the 4 hp osci... And it is a nice one for sure, just this one
> > quirk. It just skips a beat irregularly, would be a nice random
> > if i didn't have 149-2 already. The pulse-width is in the middle,
> > if I bring it to the edges it stops driving the divider - as it should.
> >
> >
> > Best regards,
> >
> >
> > Martin
> >
> >
> > On Wed, Oct 12, 2016 at 1:30 PM, yahoo@... 1
> > < Doepfer_a100@yahoogroups.com > wrote:
> >
> > > Hello,
> > >
> > > The pulse wave of PVCO at lfo speed doesn't work well with the
> > > A-160 clock divider on my system. It skips beats and stutters. I
> > > tried to send the pulse through the trigger modifier module but
> > > that did not help. A-160 works with everything else. I have the
> > > pVCO connected to the CV bus (receiving from the precision
> > > adder). Could that have any effect Thanks,
> > >
> > > Cheers,
> > >
> > > Martin
> >
> >
> > From the theory it should work - at least with a pulsewidth not
> > close to 0%
> > or 100% (e.g. 10% - 90% should work). I'll have to try out the
> > A-111-3/A-160-1 combo. Unfortunately I have no A-111-3 left because the
> > first production series is completely sold out. But I'll try an A-111-2
> > which uses nearly the same circuitry.
> >
> > Best wishes
> > Dieter Doepfer
> >
> >
> >
> >
> >
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