Voltage controlled oscillator, which uses the AS3340, a modern rework of the CEM3340. It has 1 v/oct tracking, FM, PWM, and sync With 4 waveforms.

3 octave selector
Coarse tuning
Fine tuning
Frequency modulation depth
Frequency modulation scale selector 
Pulse width
Pulse width modulation
Hard/Soft sync selector

1v/oct 
Frequency Modulation
Pulse width modulation
Sync input

Pulse 
Saw 
Triangle
Sine

8hp
Depth: 34mm

+12v / -12v power 

https://die.systems/product/vco/

• ? mA +12V
• ? mA -12V
• ? mA 5V
• 34 mm Depth

This Module is currently available.