Monday 28 November 2022

Bi-di chopper - nlc - build part 2 - completion

 The build so far.




The B-Di chopper  can be used to process CV and audio signals.

Its a  CV controlled switcher
There are 2 switcher circuits in this module.


Part 1 of the build is here:





Links
Wiki
BOM
















I'll use 10R for the power protection.
( don't have any schotty's)

LL4148 diodes


DG213


100k b pots


power header, etc

..





3mm LEDs

...
This module can be used as a switch.
1 into 2  (eg A into B1 & B2)
or
2 into 1. (eg B1 & B2 into A)



However its important to remember that Choppers are different from regular switches
as the signals being switched also controls the switching.
Thus things happen that you might not expect.



I'll need to experiment with CVs that you use to do the switching.

The module below is a pretty standard LFO Triangle wave. 0-5V
Works well.

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