Dutch Synths

Specfication Fénix synthesizer

Controls for CV attenuation are marked 'CV2'. 

There are two types:
0/max regular control and -/0/+ (this control has zero in the middle position, Clockwise position attenuates the CV, Anti-clockwise inverts and attenuates the CV.)
Refer to front  panel picture
 to see which ones are used for which modules.

Strip 1:
LFO1
Controls:Frequency, CV2, Symmetry/PW, ALL 10k lin pots, di​fferent angle D-shape
Inputs:CV2, trigger 
Outputs:Triangle, pulse
LFO2
Controls:Frequency, CV2, Symmetry/PW, ALL 10k lin pots, different angle D-s​hape
Inputs:CV2, gate 
Outputs:Triangle, Double-frequency triangle, pulse.

Strip 2:
VCO1
Controls:Frequency, Tune, CV2, PW, PWM, Sync level, ALL 10k lin pots
Inputs:CV, CV2, linear FM, sync, sync level, PWM, Sub phase
Outputs:Sine, Saw, Pulse, Sub 1, Sub 2

Strip 3:
VCO2
Controls:Frequency, Tune, CV2, ALL 10k lin pots
Inputs:CV, CV2, linear FM, PWM
Outputs:Saw, Pulse
VCO3
Controls:Frequency, Tune, CV2, ALL 10k lin pots
nputs:CV, CV2, linear FM, PWM
Outputs:Saw, Pulse

Strip 4:
VCF1 (state variable 2-pole filter)
Controls:Frequency, Resonance, CV2, ALL 10k lin pots
Inputs:CV, CV2, Audio
Outputs:LP, BP, HP
VCF2 (state variable 2-pole filter)
Controls:Frequency, Resonance, CV2, ALL 3, 10k lin pots
Inputs:CV, CV2, Audio
Outputs:LP, BP, HP

Strip 5:
VCF3 (ladder-type filter)
Controls:Frequency, Resonance, CV2, ALL 3, 10k lin pots  Audio in 1, Audio in 2, Audio in 3 ALL 3, 10k log pots
Inputs:CV, CV2, Audio 1, Audio 2, Audio 3
Outputs:12 dB (2-pole tap) , 24 dB (actually 5-pole)

Strip 6:
LFO3
Controls:Frequency 10k log pots
Inputs:(none)
Outputs:Sine, triangle, pulse
Comperator
Controls:Momentary push buttonInputs:+, -
Outputs:Gate
Mixer1
Controls:A, B(-/+), 2 10klin pots
Inputs:A, B, X (unity gain)
Outputs:out
Mixer2
Controls:A-B balance, 10kS pots
Inputs:A, B, X (unity gain)
Outputs:out
Mixer3
Controls:A-B balance, 10kS pots
Inputs:A, B, X (unity gain)
Outputs:out

Strip 7:
Envelope generator 1
This EG has two different curves, one ADSR and a decay-only curve.
The tPeak control keeps the output at maximum for a controllable time between the attack- and decay-stages.
Controls:Attack, tPeak, 2 2M2 log pots Decay 10k C reverse log pots, Sustain, 10k log potsRelease, Accent, 2 10k C reverse log pots
Inputs:Gate, Decay, Peak level, Release, Accent time, Accent level
Outputs:CV out, Accent out
VCA1
All VCA's are suitable for audio-and CV-signals.
Controls:(none)
Inputs:Signal, CV
Outputs:Signal out
VCA2
Controls:(none)Inputs:Signal, CV
Outputs:Signal out

Strip 8:
Envelope generator 2
This EG has two different curves, one AD / AR and a decay-only curve.
There is also a mix-output that adds the two curves 50/50..
Controls:Attack, tPeak, 2 2M2 log pots Decay/Release, 10kC reverse log pots switch, tdecay, 2M2 log potsInputs:Gate, decay/release, Accent levelOutputs:CV out, Accent out, Mix out
Envelope generator 3
Controls:Delay, Decay , 2M2 log pots
Inputs:Gate
Outputs:CV out, Delay gate out, gate out
VCA3
Controls:(none)
Inputs:Signal, CV
Outputs:Signal out

Strip 9:
Slew Limiter
Can also be used as (sub-audio) lowpass filter, envelope follower or AR envelope generator.
Controls:Rise, Fall, 2M2 log pots
Inputs:in
Outputs:out
Sample & Hold
Controls:(none)
Inputs:In, trigger
Outputs:out
CV mix 1
Controls:Gain, 100k lin pots Offset, 10k lin pots
Inputs:In, X (unity gain)
Outputs:out
Portamento
Controls:Time 1, Time 2 2M2 log pots
Inputs:In, Enable
Outputs:out1, out2

Strip 10:

Noise generator
The digital noise generator has a cycle period of approx. one year. The clock is a VCO, so you can control the bandwidth using the control or a CV.
Controls:Timbre, CV2, 10klin pots Analog noise level, Digital noise level, 10klog pots VLF level 50klog pots
Inputs:Timbre
Outputs:Analog, Digital, VLF
Ring Modulator 1
This ring modulator has a CV input mixed in with the B-input (the AM input). Use this input for VCA, or combine with the audio-ins as cleanfeed control for ring modulation
Controls:(none)Inputs:A, B, amOutputs:DC-coupled, AC-coupled (eliminates offset clicks)
Ring Modulator 2
Controls:(none)
Inputs:A, B
Outputs:Signal out (DC-coupled)
VCA4
Controls:(none)Inputs:Signal, CVOutputs:Signal out

Strip 11:
CV mixer2
Controls:Octave switch, CV2Inputs:CV In (fixed unity gain), CV2, 100klin pots
Outputs:CV out
Audio in processor 1
This module is an input-amp for external audio signals. Use it to process other synth sounds, drum-machines and any other sound source.
Controls:Gain 100klin pots
Inputs:Jack
Outputs:Audio out, Level CV, Trigger
Audio in processor 2
Another input amp.
Controls:Gain, 100klin pots Trigger threshold, 10klin pots
Inputs:Jack
Outputs:Audio out, envelope, Gate
Audio out module
To interface to the mixer or other sound system. This output will drive headphones as well.
Controls:Tip (left) attenuator, Ring (right) attenuator 2 220klin pots
Inputs:Tip (left), Ring (right)
Outputs:Stereo Jack

Front to back panel connections:
6 * Banana sockets on the front panel are wired to 6 mini-jacks on the rear of the unit.nputs:CV, CV2, linear FM, PWM
Outputs:Saw, Pulse

Strip 4:
VCF1 (state variable 2-pole filter)
Controls:Frequency, Resonance, CV2, ALL 10k lin pots
Inputs:CV, CV2, Audio
Outputs:LP, BP, HP
VCF2 (state variable 2-pole filter)
Controls:Frequency, Resonance, CV2, ALL 3, 10k lin pots
Inputs:CV, CV2, Audio
Outputs:LP, BP, HP

Strip 5:
VCF3 (ladder-type filter)
Controls:Frequency, Resonance, CV2, ALL 3, 10k lin pots  Audio in 1, Audio in 2, Audio in 3 ALL 3, 10k log pots
Inputs:CV, CV2, Audio 1, Audio 2, Audio 3
Outputs:12 dB (2-pole tap) , 24 dB (actually 5-pole)

Strip 6:
LFO3
Controls:Frequency 10k log pots
Inputs:(none)
Outputs:Sine, triangle, pulse
Comperator
Controls:Momentary push buttonInputs:+, -
Outputs:Gate
Mixer1
Controls:A, B(-/+), 2 10klin pots
Inputs:A, B, X (unity gain)
Outputs:out
Mixer2
Controls:A-B balance, 10kS pots
Inputs:A, B, X (unity gain)
Outputs:out
Mixer3
Controls:A-B balance, 10kS pots
Inputs:A, B, X (unity gain)
Outputs:out

Strip 7:
Envelope generator 1
This EG has two different curves, one ADSR and a decay-only curve.
The tPeak control keeps the output at maximum for a controllable time between the attack- and decay-stages.
Controls:Attack, tPeak, 2 2M2 log pots Decay 10k C reverse log pots, Sustain, 10k log potsRelease, Accent, 2 10k C reverse log pots
Inputs:Gate, Decay, Peak level, Release, Accent time, Accent level
Outputs:CV out, Accent out
VCA1
All VCA's are suitable for audio-and CV-signals.
Controls:(none)
Inputs:Signal, CV
Outputs:Signal out
VCA2
Controls:(none)Inputs:Signal, CV
Outputs:Signal out

Strip 8:
Envelope generator 2
This EG has two different curves, one AD / AR and a decay-only curve.
There is also a mix-output that adds the two curves 50/50..
Controls:Attack, tPeak, 2 2M2 log pots Decay/Release, 10kC reverse log pots switch, tdecay, 2M2 log potsInputs:Gate, decay/release, Accent levelOutputs:CV out, Accent out, Mix out
Envelope generator 3
Controls:Delay, Decay , 2M2 log pots
Inputs:Gate
Outputs:CV out, Delay gate out, gate out
VCA3
Controls:(none)
Inputs:Signal, CV
Outputs:Signal out

Strip 9:
Slew Limiter
Can also be used as (sub-audio) lowpass filter, envelope follower or AR envelope generator.
Controls:Rise, Fall, 2M2 log pots
Inputs:in
Outputs:out
Sample & Hold
Controls:(none)
Inputs:In, trigger
Outputs:out
CV mix 1
Controls:Gain, 100k lin pots Offset, 10k lin pots
Inputs:In, X (unity gain)
Outputs:out
Portamento
Controls:Time 1, Time 2 2M2 log pots
Inputs:In, Enable
Outputs:out1, out2

Strip 10:

Noise generator
The digital noise generator has a cycle period of approx. one year. The clock is a VCO, so you can control the bandwidth using the control or a CV.
Controls:Timbre, CV2, 10klin pots Analog noise level, Digital noise level, 10klog pots VLF level 50klog pots
Inputs:Timbre
Outputs:Analog, Digital, VLF
Ring Modulator 1
This ring modulator has a CV input mixed in with the B-input (the AM input). Use this input for VCA, or combine with the audio-ins as cleanfeed control for ring modulation
Controls:(none)Inputs:A, B, amOutputs:DC-coupled, AC-coupled (eliminates offset clicks)
Ring Modulator 2
Controls:(none)
Inputs:A, B
Outputs:Signal out (DC-coupled)
VCA4
Controls:(none)Inputs:Signal, CVOutputs:Signal out

Strip 11:
CV mixer2
Controls:Octave switch, CV2Inputs:CV In (fixed unity gain), CV2, 100klin pots
Outputs:CV out
Audio in processor 1
This module is an input-amp for external audio signals. Use it to process other synth sounds, drum-machines and any other sound source.
Controls:Gain 100klin pots
Inputs:Jack
Outputs:Audio out, Level CV, Trigger
Audio in processor 2
Another input amp.
Controls:Gain, 100klin pots Trigger threshold, 10klin pots
Inputs:Jack
Outputs:Audio out, envelope, Gate
Audio out module
To interface to the mixer or other sound system. This output will drive headphones as well.
Controls:Tip (left) attenuator, Ring (right) attenuator 2 220klin pots
Inputs:Tip (left), Ring (right)
Outputs:Stereo Jack

Front to back panel connections:
6 * Banana sockets on the front panel are wired to 6 mini-jacks on the rear of the unit.