Module Design and Modification Information

My designs are indicated with a superscript¹

Designs with modifications are indicated with a superscript²

DJB Custom Modules

DJB-001 CV Keyboard Interface module¹

DJB-002 Mixer, Spring Reverb, & A-440 Standard module¹

DJB-003 Multiples¹

DJB-004 Mixer, Comparator, & Full Wave Rectifier module

DJB-005 Dual LED Voltage Monitor module¹

DJB-006 Power, Headphone, & Cable Test module¹

DJB-008 Dual Trigger Delays module¹

DJB-009 Analogic module¹

DJB-010 Attenuators module¹

DJB-011 Ribbon Interface module¹

DJB-012 Tape Interface module¹

DJB-013 Dual Quantizer and Lag module¹ (replaced by Barton Dual Quantizer)

DJB-014 VCA and Power Amplifier Interface module²

DJB-015 SoundCanvas module²

DJB-016 Level Shifter module¹

DJB-017 PAiA MIDI2CV module²

DJB-018 Joystick module¹

DJB-019 LCD Oscilloscope module²

DJB-020 Tap Tempo LFO (PedalSync MV-55)²

DJB-021 Pan-Crossfade (J3RK PCB)²

M569 Companion¹

Buchla format VCF and Clock²


DJB Programmable Modules


Four Channel ComputerVoltageSource¹

Ribbon Controller ComputerVoltageSource¹

PSIM and ComputerVoltageSource Analog/Digital Expansion module¹

PSIM Display module¹

I2C-TTS256-SpeakJet interface¹


Miscellaneous Modules and Designs

MOTM-890 µMixer and Frequency Mixer module²

Circle Machine¹

Hammond Vibrato Scanner²

Synthesizer Laser²

DJB Power-On Delay¹

DJB-007 Power panel¹

PT2395 delay module²  Reference info


Commercial Modules and PCBs

Analog Metropolis
    AM4075 Filter²

Analogue Systemss
    RS-290 Sampler-Echo

    Aries Modules

Barton Musical Circuits
     Barton Dual Quantizer

Blacet Research
    StonZ Phaser²

    Pulser-Crossfader-Timbre Generator²  (Aaron Lanterman PCB)
    Resonant Lopass Gate²  (Natural Rhythm Music PSB)
    208 Stored Program Sound Source  i.e. Music Easel  (Original 1973/1974 early version)
    208 Stored Program Sound Source  i.e. Music Easel  (Roman Filippov V1 PCB)
    208 Stored Program Sound Source  i.e. Music Easel  (Roman Filippov V2 PCB)
    208 Stored Program Sound Source  i.e. Music Easel  (Roman Filippov V2.1 PCB)
    211 Power Supply (Roman Filippov)
    212 Dodeca  (Roman Filippov PCB)
    216 Touch Controlled Voltage Source (Roman Filippov PCB)
    221 Kinesthetic Input Port  (Original)
    227 System Interface  (Roman Filippov PCB)
    245 Sequential Voltage Source (Roman Filippov PCB)
    257 Control Voltage Processor  (Roman Filippov PCB)
    258 Dual Oscillator (Roman Filippov PCB)
    259 Complex Wave Generator²  (Roman Filippov PCB)
259C Complex Wave Generator (Vedic Scapes)
   266 Source Of Uncertainty²  (Roman Filippov PCB)
    266 Source Of Uncertainty²  (5U format Roman Filippov PCB)
    277 Signal Delay Unit (Roman Filippov PCB)
    281 Quad Function Generator (Roman Filippov PCB)
    285 Frequency Shifter (Original 1977 early version)
    285 Frequency Shifter (Roman Filippov V2 PCB
    291 Voltage Controlled Filter (Roman Filippov PCB)
    292C Quad Low Pass Gate (Roman Filippov PCB)
    294 Four Channel Comb Filter (Roman Filippov PCB)
   296 Programmable Spectral Processor  (Roman Filippov PCB)
    402 Quad Dual LFO (unknown origin)
    RS Kobol Dual VCO (France origin)

    DoubleDeka VCO²  (Ian Fritz design)
    Teezer Thru-Zero FM VCO²  (Ian Fritz design)
    Threeler 3rd Order VCF²  (Ian Fritz design)
    Wogglebug²  (Grant Richter design / Jan Czmok PCB)

CatGirl Synth
    Bi-N-Tic Filter²
    Steiner VCF²

     Thomas Henry Mega Percussive Synthesizer

Flight Of Harmony
     Plague Bearer

    mh21 Triple Resonator

Ian Fritz
    DoubleDeka VCO²
    Teezer Thru-Zero FM VCO²
    Threeler 3rd Order VCF²

Jürgen Haible
    Frequency Shifter²
Living VCOs²
Polymoog® Resonator²
    Scanner Chorus/Vibrato
    Variable Slope Filter/Phaser²
    "Solina" Triple Chorus

     450 Delay Line / Flanger

Magic Smoke Electronics
    TH-101 “Sheboygan” 566-based VCO² 
TH-201 "Mankato" VCF / VCO
    TH-301 "Cucamonga" VC-LFO²

     Milton Sequencer module

     Moog modules
     Sonic Six

Moon Modular
    M569 Quad Sequential Voltage Source

Muffwiggler/Rob Hordijk
    5U Benjolin Module

Neil Johnson
    3 Pole State Variable Filter
    Voltage Controlled LFO Filter²

Vladimir Kuzmin
     Polivoks VCF²

Oakley Sound Systems
    OMS-410 VCF Companion
    OMS-820 Lag Companion
    Envelope Follower and Gate

    Synthesizer Expansion Module (SEM)
    Mini-Sequencer (MU repackage)

     2720/R Synthesizer
    4700 Synthesizer Modules

Papareil Labs

Roland System 100
     140 Dual ADSR / LFO

Sequential Circuits Inc
     Model 700 Programmer
     Model 800 Sequencer

     Three box Serge Modular
    Dotcom modules
    Mega Percussive Synthesizer  (Thomas Henry design)

Synthesis Technology
    E340 Cloud Generator DIY
    E350 Morphing Terrarium DIY
    E560 Deflector Shield DIY
    E580 Sampling Mini-Delay DIY
    E950 Circuit Bent VCO
    MOTM modules²

Electronic Dream Plant
     WASP Synthesizer
     Fixed Filter Bank²
     Mini-Moog VCF