VCA
for music synthesizers

This VCA (Voltage Controlled Amplifier) is suitable for audio modulation.
A build option allows it to also be used for control voltage modulation.

This design is based on the VCA3+ by René Schmitz and used with permission.

PCB: 1" x 6" with four 3.2mm mounting holes 0.15" in from the edges

Previous version can be found here