Voltage controlled arpeggiator (was Re: [sdiy] Design Process)

[Oren Leavitt]

Ian Fritz wrote:
> At 01:43 AM 2/15/2010, David G. Dixon wrote:
> 
>> > I've been "back burnering" the idea of a voltage controlled arpeggiator
>> > lately, too.
>> > Was thinking something simple using an LM3914 bargraph driver with its
>> > outputs interfaced to some pots and a CV summer. Might be some
>> > interesting options available using the 3914 in "dot" mode and "bar" 
>> mode.
>> > "dot" mode - each step picks a voltage relative to 0V
>> > "bar" mode - each step "stacks" a voltage on top of the previous step.
> 
> 
> The drawback of the 3914 is that in dot mode there is some overlap 
> between the steps, which makes sequencer, etc, applications 
> problematic.  There is a recent thread somewhere where it was proposed 
> to use a priority encoder with the 3914 in bar mode.  This might be 
> worth pursuing.
> 
> Ian
>


Thanks for bringing that up Ian.
I think I remember that thread.

- Oren