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Modular

XR22 VCO FT

VCO with AM Input and FSK (Frequency Shift Keying)

1. Features

A

M (Amplitude Modulation) Input

Ring modulation

CV controllable sine/triangle volume level

Advanced waveform generation by AM

RGB-LED for optical control 

FSK (Frequency Shift Keying)

Pulse and ramp generation

Switching between two different frequency CVs

Advanced waveform generation by FSK

Dual-color LED for FSK-mode indication

 LFO/Bass/High Frequency Mode

Switchable Sync-Mode 

(from Rev.6.0)

Eurorack Module

Width: 12 HP

Dimensions:

128,5 mm x 60,6 mm
Depth: 40mm

Supply Voltage: ±12V

Current consumption:

≈ 70mA

Available with banana or 

3,5mm minijack sockets

Minijack Version

Banana Version

Drawing (Rev.6.0)

1

Summary of Contents for XR22 VCO

Page 1: ...uency Shift Keying Pulse and ramp generation Switching between two different frequency CVs Advanced waveform generation by FSK Dual color LED for FSK mode indication LFO Bass High Frequency Mode Switc...

Page 2: ...ave can be separately and independently controlled Switch Frequency Control VCO F1 F2 Output F1 F2 LO MID HI 4 com CVF2 is adding the F1 CVs to F2 this will ensure 1V oct tracking if both routes are u...

Page 3: ...This ensures better 1V oct tracking in the lower frequency regions 3 Introduction For better understanding please read first about the switch FSK 4 4 14 Falsche Zahlen and LED FSK FSK mode switch freq...

Page 4: ...cies within the FSK option The ratio can only be changed by the F2 knob or the F2 CV inputs Note that in this mode the frequency range is expanded and that for F2 four independent CV inputs are now av...

Page 5: ...4 14 lower position pulse waveform output Note In F1 mode Green the LED FSK is indicating the peaks 5V of the squarewave or pulse signal while in F2 mode the LED Red is indicating the gaps 0V sine tr...

Page 6: ...egative edge with knob Gain ccw or negative AM CV The squarewave will restart the oscillation on the positive edge 5V In lower position of switch 2 3 4 5 6 7 8 9 21 10 11 13 14 15 16 17 18 19 20 22 12...

Page 7: ...you have adjusted on the XR22 VCO 4 Adjust poti F1 and fine tuning until the pitch of the XR22 is the same like that of the 2nd VCO 5 Play a note 3 octaves higher Adjust trimmer F1 1V oct see above un...

Page 8: ...immers for 1V oct adjustment Improves the high frequency behaviour of the 1V oct tracking It is recommended not change the settings F2 knob tuning on inner board nearby F2 potentiometer To ensure that...

Page 9: ...Pfade 4 4 14 4 8 9 10 11 12 26 Documentations for version Rev 5 2 and previous without rgb LED AM and another arrangement of control elements on the front panel https www cg products de documentations...

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