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 Forum index » DIY Hardware and Software » The layout factory
Combining modules
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AloofPenny



Joined: Dec 12, 2018
Posts: 2
Location: PA

PostPosted: Wed Dec 12, 2018 12:05 pm    Post subject: Combining modules Reply with quote  Mark this post and the followings unread

how would one go about combining two of these circuits together into a simple mixer circuit to a single output?
https://www.allaboutcircuits.com/projects/diy-synth-series-vco/
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JovianPyx



Joined: Nov 20, 2007
Posts: 1792
Location: West Red Spot, Jupiter
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PostPosted: Wed Dec 12, 2018 2:01 pm    Post subject: Reply with quote  Mark this post and the followings unread

At the bottom of the page, there is schematic posted in http://electro-music.com/forum/topic-44604.html

If you need level adjustment per channel, add a pot where the "top" connects to the source, the bottom connects to ground and the wiper goes to the mixer's input. You can use practically any kind of opamp such as TL082 or TL072. Even TL0x1 (which is one opamp per package since only one opamp is needed for this mixer.

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AloofPenny



Joined: Dec 12, 2018
Posts: 2
Location: PA

PostPosted: Thu Dec 13, 2018 11:27 am    Post subject: Reply with quote  Mark this post and the followings unread

JovianPyx wrote:
At the bottom of the page, there is schematic posted in http://electro-music.com/forum/topic-44604.html

If you need level adjustment per channel, add a pot where the "top" connects to the source, the bottom connects to ground and the wiper goes to the mixer's input. You can use practically any kind of opamp such as TL082 or TL072. Even TL0x1 (which is one opamp per package since only one opamp is needed for this mixer.


ya dope, thanks Jovi-baby
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