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CG Products XR22 VCO Manual

Vco with am input and fsk (frequency shift keying)
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Modular
XR22 VCO
VCO with AM Input and FSK (Frequency Shift Keying)
1. Features
– AM (Amplitude Modulation) Input
Ring modulation
CV controllable sine/triangle volume
Advanced waveform generation through feedback
– FSK (Frequency Shift Keying)
Pulse and ramp generation
Switching between two different frequency CVs
Advanced waveform generation
LFO Mode
– Available with banana or 3,5mm phone sockets
Left: 3,5mm phone jack version
Right: Banana jack version
XR22 VCO
F1/com
F2
-2
0
+2
-2
Octave
Octave
Octave
Octave
6
7
Σ
Low F
CV
com
F2
AM In
4
0
3
5
2
6
-1
+1
1
7
0
8
-2
Gain
+2
AM In
F1
F2
AM in
FSK
FSK in
4
4
3
3
5
5
2
6
2
1
1
7
0
8
F1 CV inv.
0
F1/com CV
F2 CV
F1/com CV
F1/com CV
F2 CV
1V/Oct
– Eurorack Module
– Width: 12 HP
– Dimensions:
128,5 mm x 60,6 mm
Depth: 40mm
– Supply Voltage: +-12V
Power consumption:
≈ 70mA
0
+2
4
3
5
2
1
/
Bypass
/
6
7
F2 CV inv.
8
F2 CV 1V/Oct
1

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Summary of Contents for CG Products XR22 VCO

  • Page 1 Modular XR22 VCO VCO with AM Input and FSK (Frequency Shift Keying) 1. Features – AM (Amplitude Modulation) Input • Ring modulation • CV controllable sine/triangle volume – Eurorack Module • Advanced waveform generation through feedback – Width: 12 HP –...
  • Page 2 VCO volume control with triangle signal (Feedback) external envelope generator 2.2 FSK (Frequency Shift Keying) The frequency of the XR22 VCO is controlled by F1/com Poti two independent frequency control sections F1 F1 Octave and F2 with independent manual frequency Switch controls and CV ins;...
  • Page 3 Modular 3. Functions XR22 VCO Introduction For better understanding it is recommended to read first about the control elements FSK mode switch (frequency shift keying) F1/com In upper position: Only F1 is active; LED= green In middle position: Only F2 is active, LED=...
  • Page 4 Sinewave output voltage: 3Vpp without AM; max. 6Vpp with AM. Trianglewave output voltage: 6Vpp without AM; max. 8Vpp with AM. In the banana version of the XR22 VCO the sockets signalize low impedance outputs. These outputs may be grounded or patched together! This may damage the module.
  • Page 5 ⑰ Ground This socket only exists in the banana version of the XR22 VCO. The ground connection is required if the module is connected to external equipment, e.g. a mixer. Within the modular system the module is grounded through the power supply.
  • Page 6 Modular 4. Adjustment The VCO is already carefully adjusted to 1V/Oct. If you realize that the XR22 VCO isn't in tune with your other analog synthesizer equipment, it may be necessary to adjust it. Procedure (Suggestion) Switch on your equipment and the XR22 VCO and wait ½...
  • Page 7 Jumper "JP1" in "off" position (on PCB): The Bus CV is controlling the XR22 VCO's frequencies. is not connected. Note: In the older version of the XR22 VCO there is no Bus CV Jumper. The Bus CV is always connected to the VCO's frequency control.
  • Page 8: Contact & Support

    Modular 6. Patch Templates Note your own patch ideas " Template Height: 70mm; Width: 33,1mm XR22 VCO XR22 VCO XR22 VCO XR22 VCO F1/com F1/com F1/com F1/com Octave Octave Octave Octave Octave Octave Octave Octave Octave Octave Octave Octave Octave...