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Doepfer

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Re: Voltage droop when using a quantizer

2009-07-10 by stuadh

Cheers,

  I'm using a homebrew case with a 3.4A power supply.  Current load (approx) is 1.5A, so loads of space there.

Yours Aye

Stuadh

--- In Doepfer_a100@yahoogroups.com, Sean Williams <sean@...> wrote:
>
> Have you checked how much current all your modules are consuming? 
> Maybe it's too close to the quoted maximum for the power supply. In 
> my experience with the old style 650mA G6 cases anything near 600mA 
> and things start to go a bit wobbly.
> 
> >Thanks,
> >
> >I have an MX 224 (Analogue Solutions) in the chain after the 
> >Quantizer and/or VC Slew. It is clearly happening inside the VC 
> >Slews.
> >
> >--- In 
> ><mailto:Doepfer_a100%40yahoogroups.com>Doepfer_a100@yahoogroups.com, 
> ><yahoo@> wrote:
> >>
> >>  > I programmed a patch with my beautifully tuned VCOs, tonight.
> >>  > When I decided to use the A155 through a 156 to drive it, I
> >>  > noticed a significant voltage drop and I had to apply a voltage
> >>  > from the 176 to bring it back in tune with my other synth. Why
> >>  > should this be?
> >>  >
> >>  > I have also noticed that running the CV from the quantizer
> >>  > through either the dual or the VC Slew also caused a voltage
> >>  > droop, regardless of how low the slew setting is.
> >>  >
> >>  > Can anyone explain why this might be happening.
> >>
> >>  I'd recommend to use one of the buffer modules A-185-1 or A-1185-2 if
> >>  several VCOs are controlled by the same CV source. These modules do not load
> >>  the source and include a buffer that is strong enough to drive several VCOs
> >>  without voltage drop.
> >>
> >>  Best wishes
> >>  Dieter Doepfer
> >>
> >
> >
> >
> 
> 
> [Non-text portions of this message have been removed]
>

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