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µVCF

Manual

 

 

 
 

Front Panel 

Controls 

1.

FREQ - 

Sets the cutoff frequency of the filter. The knob 

position is combined with the FM1 and FM2 inputs. 

2. Q - Sets the resonance of the filter. 
3. FM2 - Controls the amount and polarity of the FM2 input. 

The input passes unmodified when the knob is fully 
clockwise, inverted when fully counter-clockwise, and 
has no effect when at the 12 o’clock position. 

4. Input Attenuator - Attenuates the level of the filter input 

signal. The signal is unattenuated when the knob is fully 
clockwise. 

5. FM1 Attenuator - Attenuates the control voltage of the 

FM1 input. When fully clockwise the input is 
unattenuated and tracks 1V / octave.

 

Inputs and Outputs 

A. INPUT - Audio input to the filter. 
B. FM1 - CV input for the cutoff frequency. Attenuation is 

controlled by the FM1 Attenuator

C.

LPF - 2-pole (12 dB / octave) lowpass filter output. 

D. FM2 - Another CV input for the cutoff frequency. 

Attenuation / inversion is controlled by the FM2 knob. 

E. BPF - 1-pole (12 dB / oct) bandpass filter output. 
F. HPF - 2-pole (12 dB / oct) highpass filter output.

 

 

 

 

 

Page 6 

Содержание mVCF

Страница 1: ...VCF Manual VCF State Variable Filter Manual Revision 2018 09 13...

Страница 2: ...VCFManual Table of Contents Table of Contents Compliance Installation Installing Your Module Overview Features Front Panel Controls Inputs and Outputs Instructions Technical Speci cations Page 1...

Страница 3: ...the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a...

Страница 4: ...module To prevent screws or other debris from falling into the case and shorting any electrical contacts not leave gaps between adjacent modules and cover all unused areas with blank panels Similarly...

Страница 5: ...y check their documentation for instructions Once connected the cabling between the module and power supply should resemble the picture below Before reconnecting power and turning on your modular syst...

Страница 6: ...ing This is another great David Dixon design offering a very clean and precise lter It responds very well to frequency modulation and the small size makes it an ideal choice for a smaller system Featu...

Страница 7: ...e level of the lter input signal The signal is unattenuated when the knob is fully clockwise 5 FM1 Attenuator Attenuates the control voltage of the FM1 input When fully clockwise the input is unattenu...

Страница 8: ...ypes and their effect Adjusting the FREQ knob will change the frequency range passed by the lter and increasing the Q knob will add resonance at the FREQ cutoff frequency Now try connecting a modulati...

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