Moog sequencer

[Dave Halliday]

>>I just visited some web page about the Moog modular, and was puzzled by
>>a description of the sequencer:
>>
>>"It's possible for more than one stage to be on at once, actually. One
>>way to make this 
>>happen is to patch the output
>>of one stage to the input of another. To get back to only one stage on,
>>push a set button."
>>

>     You can build a sequencer from a chain of mono-stables or a voltage 
>     multiplexer. Most sequencers are built out of a counter and a decoder. 
>     Because of this only one
>     stage can be on at a time. If you build a sequencer out of a shift 
>     register, then if
>     you are only shifting one bit, it looks like a regular sequencer. But 
>     if you shift two


I read this at work and it started me thinking...

You know...  <grin>  You could build each stage of the sequencer as 
follows:  A 555 timer for step and gate duration plus one trigger
at the beginning of the stage and another trigger at the end
of the stage.

This way, you could use normalised jacks to string these stages 
together - the end-of-stage trigger starting the next stage, run the 
last stage back into the first one to loop the sequence.

You could break into this and have multiple taps back to get "random" 
sequences.  You could make the timing voltage controlled and have the 
pot for each stage but also sum everything back to a common CV input 
for overall timing.

Hmmmmm.....

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