Doepfer

Thank you Dieter!
Taking out the square waves from the lfos is also a great idea, so I will probably do that as well.


--- On Mon, 1/19/09, yahoo@doepfer.de <yahoo@doepfer.de> wrote:

> From: yahoo@doepfer.de <yahoo@doepfer.de>
> Subject: AW: [Doepfer_a100] A-127 as triple LFO?
> To: Doepfer_a100@yahoogroups.com
> Date: Monday, January 19, 2009, 10:21 AM
> > Hi! I'm thinking about getting an A-127 Triple VC
> Resonance
> > Filter for my system, and as I tend to use a lot of
> LFOs for slow
> > sweeps of different parameters, I got the idea of
> bringing out
> > the 3 internal LFOs of the A-127 to separate jacks on
> a 4HP blind
> > panel next to the module. This would give the A-127 a
> second
> > function as a simple "triple triangle LFO"
> when not used as a
> > filter. Would this be as easy as just taking the
> signals from the
> > switched terminals of the ext. CV jacks on the A-127?
> Is there
> > anything more I should do, like using output
> protection resistors?
> >
> > Also, does anyone know/have a good demo of the A-127?
> >
> > Thanks for your help!
> >
> > /Henrik Medquist
> 
> The LFO outputs are available at pin 7 (triangle) and pin 8
> (rectangle) of
> the TL084. 1k protection resistors should be used to
> connect these pins to
> the additional sockets. And a simple voltage divider made
> of two resistors
> is recommended for the rectangle output because pin 8
> outputs about +/-11V
> (i.e. ~ 22V overall voltage level).
> 
> Best wishes
> Dieter Doepfer