Doepfer

hello dieter,

well, i stand corrected :-)
but there is one thing which i don't understand.
if i recall right and i patch a cable from phase comp output
to the vco cv input, the lowpass pot is still functional.
why is that?

best wishes

ingo




--- In Doepfer_a100@yahoogroups.com, "Dieter Doepfer" <hardware@d...> 
wrote:
> Ingo,
> 
> I'm sorry but I have to contradict. Roland Mayer, who is no longer 
in the
> company, had the A-196 under his wings. It took a while for me to 
find out
> the internal connections and normalling (I had to check the 
schematics, the
> front panel layout and the manual). Please find my replies in the 
text.
> 
> > -----Ursprüngliche Nachricht-----
> > Von: Doepfer_a100@yahoogroups.com
> > [mailto:Doepfer_a100@yahoogroups.com]Im Auftrag von selfoscillate
> > Gesendet: Mittwoch, 18. Mai 2005 07:55
> > An: Doepfer_a100@yahoogroups.com
> > Betreff: [Doepfer_a100] Re: a196 pll patch examples
> >
> >
> >
> > hello tom,
> >
> > the a196 front panel layout is not very clear.
> > the output of the a196 lowpass part is
> > the unfiltered signal, while the ouput
> > of the phase comparator is the filtered one.
> 
> No. The socket labelled "Out" in the "Phase Comp." section (below 
the "Type"
> switch) is the unfiltered Phase comparator output (connected via a 
1k
> protection resistor to PC1, PC2 or PC3 of the phase comparator 
according to
> the position of the "Type" switch). The socket labelled "Out" in 
the "Low
> Pass" section is the low pass filtered signal of the PC1/PC2/PC3 
signal.
> Both sockets are not normalled as they are outputs (in general 
outputs are
> not normalled but only inputs).
> 
> > this is stated in the manual, but imho the
> > placement of the jacks is not optimal and
> > can lead to some confusion, because the layout
> > of the module and the printing on the panel
> > suggest that it is the other way around.
> 
> I think the front panel printing is correct.
> 
> May be a small mistake in the user's manual caused the 
misunderstanding. The
> lowpass output socket is not shown in the sketch on page 3 of the 
manual but
> only the normalled CV input socket of the VCO. I will add lowpass 
output
> socket to the sketch of the manual and use the same labels as on 
the front
> panel. I hope this will help to solve some misunderstandings.
> 
> Best wishes
> Dieter Doepfer