Compact LP VCF 116 V1b 3
Assembly Instructions
The Compact LP VCF module has no particular requirements not already covered in the
‘General Guidance on a M²Synth Module Assembly’ booklet included with this kit.
Calibration
1. Connect a sinewave of 440Hz @ 10V p-p to Signal input 1
2. Set Freq cut-off to 100%, Resonance to 0%
3. Adjust PR1 to give a sinewave on the Low pass output also of 10V p-p
4. Remove the sinewave signal from Signal input 1
5. Increase the resonance control to 100% (self-oscillating)
6. Measure the frequency at the Low pass output
7. Apply a CV of 0V to the CV In socket
8. Adjust the Freq cut-off to give 100Hz
9. Apply a CV of 4V to the CV In socket
10. Adjust Pr2 to give 1.6kHz
11. Repeat steps 7-10 until calibrated
Specification
Supply voltage +/-12Vdc
Supply current +13mA / -16mA
Waveform levels +/-5V
Frequency range: 18Hz to 14kHz without any CV applied
Main PCB dimensions 43.5x130mm
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