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 Forum index » DIY Hardware and Software
It is possible to sync 2 simple VCO from a 40106?
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Lorenzo



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PostPosted: Sun May 08, 2011 2:03 am    Post subject: It is possible to sync 2 simple VCO from a 40106? Reply with quote  Mark this post and the followings unread

It is possible to sync 2 simple VCO from a 40106?
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andrewF



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PostPosted: Sun May 08, 2011 8:56 am    Post subject: Reply with quote  Mark this post and the followings unread

yes, maybe.....
but its hard to give any more details unless you do Very Happy
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Lorenzo



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PostPosted: Sun May 08, 2011 4:49 pm    Post subject: Reply with quote  Mark this post and the followings unread

andrewF wrote:
yes, maybe.....
but its hard to give any more details unless you do Very Happy


Hi Very Happy
trere aren't more details Very Happy
I read about synch 2 very simple 40160 oscillators together.
I wonder what kind of sound that could make... Wink
and try this...

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diablojoy



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PostPosted: Sun May 08, 2011 5:26 pm    Post subject: Reply with quote  Mark this post and the followings unread

lorenzo we would need at least a schematic of the simple oscillators
you plan on using to be of any real help here
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Lorenzo



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PostPosted: Mon May 09, 2011 6:33 am    Post subject: Reply with quote  Mark this post and the followings unread

ahh sorry... 2 of this:

Posted Image, might have been reduced in size. Click Image to view fullscreen.

MFOS Simplest Oscillator On Earth

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bod



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PostPosted: Mon May 09, 2011 8:19 am    Post subject: Reply with quote  Mark this post and the followings unread

the WSG has a sync like feature, by adding the output of one oscillator to the input of the schmitt trigger by means of a diode.
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bod



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PostPosted: Mon May 09, 2011 8:26 am    Post subject: Reply with quote  Mark this post and the followings unread

you can also do it with the 4093 ic, which has 2 inputs for each gate, one of which is tied to the positive power line when used as an oscillator in this manner, but by putting the output of one oscillator to the input of another it creates a sync effect. as the 4093 has 4 gates, you could have some seriously wonky sync effects with 4 oscillators syncing each other in a ring. Very Happy

(edited for me not being able to type properly....)
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Lorenzo



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PostPosted: Mon May 09, 2011 4:56 pm    Post subject: Reply with quote  Mark this post and the followings unread

bod wrote:
you can also do it with the 4093 ic,


Hi bOd!
are you saying, something like this?
Posted Image, might have been reduced in size. Click Image to view fullscreen.

They call this pseudo ring modulator... !!!

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bod



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PostPosted: Tue May 10, 2011 12:50 am    Post subject: Reply with quote  Mark this post and the followings unread

the psuedo ring mod wont oscillate on its own (as far as i am aware) but a cool wee module for a drone synth. Very Happy

if you look at the schematic at the bottom of this page http://www.vidiotsquad.com/synth-stuff/simple-oscillators/ you'll get the idea of the 4093 nand oscillator.

there are only two gates used on that that one, but if you link them in a ring, so the output of the last oscillator goes into the input of the first oscillator, you should be able to achieve the ring sync'd nonsense, you just need to take an audio output from one or all of the oscillators and sum them together as well to be able to hear it, while they all modulate each other.

build two and then use the psuedo ring modulator and you'll have something even stranger to listen to...
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Lorenzo



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PostPosted: Tue May 10, 2011 3:45 am    Post subject: Reply with quote  Mark this post and the followings unread

bod wrote:

build two and then use the psuedo ring modulator and you'll have something even stranger to listen to...


sure... I will try! Thanks!!

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jnuaury



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PostPosted: Sat May 14, 2011 4:21 pm    Post subject: Reply with quote  Mark this post and the followings unread

check out this schematic from tom bugs


40106_4077_Oscs_XNOR.jpg
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40106_4077_Oscs_XNOR.jpg



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Lorenzo



Joined: Nov 09, 2008
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PostPosted: Sun May 15, 2011 3:19 am    Post subject: Reply with quote  Mark this post and the followings unread

Oh thanks... I will try!

I just have 4011 so I think I will use it for pseudo ring... but double syncronization is seems to be interesting!!


IMG seems to be corrupt... here is the link CLICK

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