Doepfer

> Try this route:
> Oscillator's wave to Comparator Pos. input. (Neg. to GND).
> Comparator's output to logic AND with Gate. The AND's output to
> ADSR and back to Comparator's Pos. at the same time. I can
> confirm it but in theory it should help to delay the Gate signal
> to the nearest zero-crossing of the wave.

I'm not sure if this will work. The comparator will generate a rectangle
wave. If the gate signal is AND-wired with this you obtain a gated rectangle
wave that permanently triggers the ADSR. And you can't feed the AND's output
to the positive input of the comparator as it is already connected to the
oscillator. I think one needs kind of a flipflop that is set by the gated
rectangle (as described by you) and resetted by the falling edge of the
gate.

P.S. We are working on an additional logic module (A-166-2) that will
include - among other functions - also a flipflop. Sometimes I'd like to
have a flipflop function in certain patches. A simple zero-crossing
comparator could be added to this module too. The A-166-2 will probably also
include a rising edge detector (outputs a short pulse at the rising edge of
a digital input signal) and a falling edge detector (outputs a short pulse
at the falling edge of a digital input signal). I think also about a
pitch-change-detector (or more general CV-change-detector). It outputs a
signal whenever a CV connected to it's input changes (probably with three
outputs: positive/negative/both). So far there is no front panel layout
available as I'm still fiddling about the arrangement of the sockets and
controls, which features will be finally included and which front panel
width (4/6/8 HP) is the best compromise.

Best wishes
Dieter Doepfer

> Hi,
>
> Any news of when the A-166-2 will be available?
>
> Best wishes

So far there is no release date for the A-166-2 available. The inquiries for
such a module seem to be very poor. But I will finish this module anyhow
(just for myself) because I need such functions now and then (especially the
flipflop).

Best wishes
Dieter Doepfer

> So far there is no release date for the A-166-2 available. The inquiries for
> such a module seem to be very poor.

Was this the module where you were considering adding a zero-crossing comparator?  If that could be used to make short-attack patches that don't click, I could see that being very useful...

All the best,
Zoë.

I would certainly be interested Dieter. Yes a flip flop would be useful....

Jonathan Shapero
From my iPad

On 5 Mar 2014, at 09:03, <yahoo@doepfer.de> wrote:

>> Hi,
>> 
>> Any news of when the A-166-2 will be available?
>> 
>> Best wishes
> 
> So far there is no release date for the A-166-2 available. The inquiries for
> such a module seem to be very poor. But I will finish this module anyhow
> (just for myself) because I need such functions now and then (especially the
> flipflop).
> 
> Best wishes
> Dieter Doepfer
> 
> 
> 
> ------------------------------------
> 
> Yahoo Groups Links
> 
> 
>

> > So far there is no release date for the A-166-2 available. The
> inquiries for
> > such a module seem to be very poor.
>
> Was this the module where you were considering adding a
> zero-crossing comparator?  If that could be used to make
> short-attack patches that don't click, I could see that being
> very useful...
>
> All the best,
> Zoë.

Yes, the zero crossing comparator was also mentioned as part of the module.
In addition we think about the redesign of some older modules. Especially we
think of new arrangements of some dual modules (dual ring modulator A-114,
dual S&H A-148, dual trigger delay A-162, dual slew limiter A-170, dual
trigger modifier ...) as in many cases e.g. only a single ring modulator or
a single S&H. This will lead to some new combo modules (e.g. combination of
S&H and VC slew limiter in one module) with a more value for money as you do
not have to pay for unused second sub-units.

Best wishes
Dieter Doepfer

> Yes, the zero crossing comparator was also mentioned as part of the module.

Ah, yes, that's what the flipflop bit's for.  Sorry, I only just re-read that part.  That sounds like it would be really useful!

> In addition we think about the redesign of some older modules. Especially we
> think of new arrangements of some dual modules (dual ring modulator A-114,
> dual S&H A-148, dual trigger delay A-162, dual slew limiter A-170, dual
> trigger modifier ...) as in many cases e.g. only a single ring modulator or
> a single S&H. This will lead to some new combo modules (e.g. combination of
> S&H and VC slew limiter in one module) with a more value for money as you do
> not have to pay for unused second sub-units.

I wish you'd told me before I got the A-114, A-148 and A-150. ;)  Combining these would be a great space-saving idea!  Though it's nice how eg the A-148 offers one of each for S&H and T&H by default, so it doesn't feel too wasteful having both, as long as they do slightly different things.  I guess a switch could toggle between both modes though...

It sounds like a good idea to have these combo-modules, anyway.  Very 100M-like.

Cheers,
Zoë.