Doepfer

--- In Doepfer_a100@yahoogroups.com, "selfoscillate" 
<synaptic_music@y...> wrote:
> --- In Doepfer_a100@yahoogroups.com, Bakis Sirros 
> <synth_freak_2000@y...> wrote:
> > 
> > --- Dieter Doepfer <hardware@d...> wrote:
> > > From: "Dieter Doepfer" <hardware@d...>
> > > To: "Bakis Sirros" <synth_freak_2000@y...>
> > > Subject: Please forward ...
> > > Date: Thu, 27 Nov 2003 12:58:53 +0100
> > > 
> > > > to be honest, the a133 polarizer made me a bit
> > > disappointed.
> > > > it didn't worked like i thought it would, but
> > > maybe i have a
> > > > flawed one. so i don't want to describe the a133
> > > further,
> > > > before doepfer had the chance to explain the
> > > behaviour of my
> > > > polarizer module. i'll post the results as soon as
> > > possible.
> > > 
> > > What's wrong with the module ?
> > > 
> > > The LEDs display show the preset amplification:
> > > 
> > > Both off = ~ no amplification
> > > right LED maximum = amplification +5 (attention: not
> > > +1)
> > > left LED maximum = amplification -5, i.e. 5 inverted
> > > (attention: not -1)
> > > 
> > > If desired the amplification can be restricted to
> > > -1....+1 (one resistor has
> > > to be replaced).
> 
> hmm no, my module doesn't react this way.
> giving +1v into the module, i get a -0,45v output and
> the leds are off. normally i should get +1v, when all the leds
> are off, right?
> 
> best wishes
> 
> ingo

oh i forgot to say, that my a133 is not amplifying with factor
+5, it amplifies with approx 1.8 positive and 2.7 negative,
when using the manual knob only and using +1v at the input.

is strange, or not?

best wishes

ingo