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EagleAutodesk
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Attenuverter Dual Expander
This is a 4HP Eurorack expander module for the project found here:
https://www.pcbway.com/project/shareproject/Eurorack_SEM_style_Attenuverter_09b3e8ee.html
OK, why use this add-on? The SEM attenuator from the project above has 2x outputs of the same polarity.
This project adds additional inverted audio outputs with adjustable attenuation and bipolar offset; it also includes an 3.5mm input for mixing. It accommodates 2 attenuverters.
The project could also be used free-standing to invert any audio and control voltage signal between about +/- 10V P/P.
You can read more about this Eurorack compliant skiff module the blog post here:
http://audiodiwhy.blogspot.com/2022/11/attenuator-expander-adding-diwhy.html
Here is the blog post for the original attenuverter that drives this module:
https://audiodiwhy.blogspot.com/2022/10/euro-sem-style-attenuverter.html
NOTE: The project consists of 2 PCBs: a main board, and a front panel. So you will need to fabricate 2x boards for this project. I recommend getting the front panel fabricated in black with white silks.
Attenuverter Dual Expander
*PCBWay community is a shared platform and we are not responsible for any design issues.
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