HZR - 6x107 (Hexa VCA)

Transistor-Based VCA (x6)

This is a super simple kind-of-VCA with only 5 parts!

3x Jacks
1x 1n4148 Diode
1x BC107 Transistor

1. Place all 3 Jacks on the Panel
2. Solder the 1n4147 Diode from CV Input straight up
3. bend all 3 legs of the BC107 Transistor
4. solder them to the jacks and the diode

BC107 has 3 legs E(mitter) B(ase) and C(ollector)

E goes to Input
B goes to Diode
C goes to Output

The Diode has to put in the right way:
From Jack (CV Input) to Transistor
Black mark is on the Transistor Side

BC107 Datasheet:
https://www.mouser.de/datasheet/2/389/stmicroelectronics_cd00003228-1205237.pdf

Stripboard Layout and Picture of the backside of this Module:
https://imgur.com/gallery/7j9gBOK