Q109
Envelope Generator
Aug 2014
Calibration and Testing
This module requires no calibration.
1. Turn the Attack, Decay and Release controls to 0.
2. Apply a 10hz 10v PP square wave to the Gate input.
3. View the output on an oscilloscope.
4. Turning Attack clockwise should make a longer attack
section of the waveform.
5. Turning Decay clockwise should make a longer decay
section of the waveform.
6. Turning Sustain clockwise should make a higher sustain
level of the waveform.
7. Turning Release clockwise should make a longer release
section.
8. Remove the Gate input, set all controls to 0 except
Sustain to 10.
9. Pressing the Gate button should cause the LED to come
on.
PC Board Layout
Power Connector
6 pin .1” MTA type connector made
by AMP. Available from Mouser
Electronics or Digi-Key. Modules
have a male PCB mount connector
and cable harnesses have a female.
Part Numbers:
Female cable mount: #6404416
Male PCB mount: #6404566
Pinout:
1 = +15v
2 = key (pin removed)
3 = +5v
4 = gnd
5 = -15v
Not all voltages are used on all mod-
ules.
J4 J5