ComputerVoltageSources

I second this motion...why not add a couple parts for sequencer  
functionality?  That would be really useful.  Does anyone have any  
compelling reasons why not to add this?

-H

On Mar 22, 2006, at 11:01 AM, Harry Bissell Jr wrote:

> It does sound interesting and prlly does not add much circuitry.
>
>   why not include the idea.  If the board gets to be impossible we can
>   discuss it then...
>
>   H^) harry
>
>
>
> Grant Richter <grichter@...> wrote:          I was thinking  
> about the full configuration using 16 potentiometers.
>   8 input presets and 8 input attenuators. That would be enought to  
> make a nice sequencer if
>   you could read the two banks of pots as voltage values.
>
>   There is actually a trick we could use to keep normal function  
> but read the pots as two banks
>   of 8. It requires one port line and input jacks with normalized  
> switches.
>
>   Use the port line to switch a 10 volt reference from the bank of  
> 8 offset pots (where it is
>   normally connected) to all the input jacks switch inputs.
>
>   This shuts off the offset pots and allows the 8 attenuator pots  
> to be read as voltage values,
>   while still serving as attenuators under normal circumstance  
> (something plugged into the
>   input jack).
>
>   The offset pot summer values would change to 200K, instead of  
> 301K if the offset pots were
>   connected to +15V.
>
>   Just thought I'd mention it in case Harry thinks it is worth the  
> extra effort.
>
>
>
>
>
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