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 Forum index » DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta
single chip (40106) ringmodulator sound module
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elektrouwe



Joined: May 27, 2012
Posts: 45
Location: Germany

PostPosted: Tue Sep 24, 2013 3:18 am    Post subject: single chip (40106) ringmodulator sound module Reply with quote  Mark this post and the followings unread

I always wanted to build a 1 chip module with 2 sound oscillators, ring modulator, AM + FM LFO. But I always came out with 2 chips when I tried. Now this summer when a friend of mine held a talk about neuronal networks, it clicked in my head and here is the result Wink


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PHOBoS



Joined: Jan 14, 2010
Posts: 1746
Location: Moon Base
Audio files: 347

PostPosted: Tue Sep 24, 2013 10:11 am    Post subject: Reply with quote  Mark this post and the followings unread

excellent! Very Happy
I don't think I've seen the majority gate before, very interesting. It might actually help me out with something.
And of course now I want to build one of your singlechip soundmodules (maybe I'll put it into my modular lunetta).

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jcintheus



Joined: Oct 16, 2011
Posts: 58
Location: Colorado

PostPosted: Tue Sep 24, 2013 10:53 am    Post subject: Reply with quote  Mark this post and the followings unread

Great work!!
It seems so obvious, but I never would have come up with it.
Thanks
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amdagan



Joined: Jun 21, 2013
Posts: 9
Location: Iron mountain

PostPosted: Fri Sep 27, 2013 10:13 am    Post subject: Reply with quote  Mark this post and the followings unread

Nice circuit!
Just one thing I can't understand: the AM function. Since the output signal comes out of a Schmitt trigger, I can't see how it's amplitude can be variable. It'll be either between Vdd and ground, or stay at Vdd or ground all the time, won't it? Or am I missing something?
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JingleJoe



Joined: Nov 10, 2011
Posts: 878
Location: Lancashire, England
Audio files: 14

PostPosted: Fri Sep 27, 2013 10:27 am    Post subject: Reply with quote  Mark this post and the followings unread

Fantastic work there, I'm a little jelous I didn't come up with it, it's made entirely of things I've used in the past...

amdagan wrote:
Nice circuit!
Just one thing I can't understand: the AM function. Since the output signal comes out of a Schmitt trigger, I can't see how it's amplitude can be variable. It'll be either between Vdd and ground, or stay at Vdd or ground all the time, won't it? Or am I missing something?

It's not true AM, it's digital AM- it just turns the signal on and off like an AND or OR gate.

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