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Simple CV sequencer with external clock control
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rogerlatur



Joined: Dec 22, 2012
Posts: 118
Location: france

PostPosted: Mon May 20, 2013 6:30 am    Post subject: Simple CV sequencer with external clock control Reply with quote  Mark this post and the followings unread

I looked at the sequencer thread, at baby 10, simpleSeq etc.
But I am still looking for a circuit or kit available (15v) for a simple sequencer with clock input (to clock it via pulse/gate). and giving CV out (with pot control). I can be only 4 steps. No matter. I would like to understand how this works.
Thank you very much for helping here!
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baudrate



Joined: Mar 19, 2012
Posts: 26
Location: Utah

PostPosted: Mon May 20, 2013 8:17 am    Post subject: Reply with quote  Mark this post and the followings unread

You can remove / bypass the 555 timer circuit from the Baby10 and sympleSEQ if you want to use an external clock source. You clock source will need to be close to the voltage you use to supply the circuit. Both of these designs will work at 15v.
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elmegil



Joined: Mar 20, 2012
Posts: 1486
Location: Chicago
Audio files: 14

PostPosted: Mon May 20, 2013 5:35 pm    Post subject: Reply with quote  Mark this post and the followings unread

I did a baby-8 rather than 10, and I simply ran the 555 timer to the normal lug of a switching jack; no jack, I run off the 555, yes jack, I run off whatever signal is there.

Fonik's variant omits the 555 timer:

http://modular.fonik.de/pdf/baby10.pdf

But note that if you want to use the reset in circuitry, there's a minor error with Q1; it ought to be hooked up as an inverter with the diode going to the collector, and the emitter grounded.
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rogerlatur



Joined: Dec 22, 2012
Posts: 118
Location: france

PostPosted: Wed May 22, 2013 11:15 am    Post subject: Reply with quote  Mark this post and the followings unread

Your 2 answers are very helpful!
Thank you very much. I will then check the "baby seq" schematics and adapt. Nice!
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