MATRIXSYNTH: New Syntaxis Micromodular Starter Set

Thursday, August 27, 2020

New Syntaxis Micromodular Starter Set


Krzychu1995

"!!! Available immediatelly at http://syntaxis.com.pl !!!
Today I have something very special to show. In this video you can see and hear synth made from Syntaxis Micromodular set. Instrument is assembled from basic set of micromodules (uVCO, uVCF, uVCA, uLFO and uADSR), but it sounds quite versatile. User is able to assemble synthesizer on it's own, in modular way, but much cheaper and without necessity of use dedicated multipliers - breadboard does it already! Usually building subassemblies of synths on breadboard makes circuit unreliable in longer term. But with Micromodules it works like it was soldered together - you can assemble you own synth, get plywood, drill holes for potentiometers, screw them in place and carry your own synth around for gigs."


"This is a set of components for building a basic but complete analog synthesizer on a breadboard. Although it might not have professional look, you will be surprised with its professional sound.

The set includes:

μPSU·112·A
μVCO·3340·A
μVCF·3320·LP4·A
μVCA·3360·LIN·A
μADSR·3310·A
μLFO·3340·A

(breadboards, wires, potentiometers, switches, laptop charger are not included)

An example synthesizer circuit is shown in photos 2 and 3. Potentiometers and switches from left to right, from top to bottom:
- oscillator frequency coarse tuning (pot)
- oscillator frequency fine tuning (pot)
- wave shape selection: triangle, saw, pulse (switch)
- PWM control (pot)
- oscillator signal amplitude control (pot)
- cut-off control (pot)
- resonance control (pot)
- output signal volume control (pot)
- pitch modulation by ADSR (pot)
- pitch modulation by LFO (pot)
- cut-off modulation by ADSR (pot)
- cut-off modulation by LFO (pot)
- gain modulation by ADSR (pot)
- gain modulation by LFO (pot)
- attack time control
- decay time control
- sustain level control
- release time control
- LFO rate control: coarse
- LFO rate control: fine
- LFO shape selection: triangle, saw, inverted saw, pulse (switch)
- PWM of LFO's pulse

All typical connections, including those used in the setup above, are described in micromodule's datasheets.


μPSU

μPSU 112·A is a power supply unit developed for Syntaxis micromodular system. The unit provides stable voltages of −12V/1A, +12V/1A, and +5V/2A.

The unit may be powered with any voltage between 16.5V and 24V, 2A min. Most of laptop chargers are suitable for this purpose.

Features

• input voltage: 16.5V ÷ 24V/2A
• output voltages: −12V/1A, +12V/1A, +5V/2A
• output voltage tollerance: +/- 2.5%
• two-step regulation (step-down, LDO) for each output voltage
• efficiency: 96%
• reverse voltage protection
• convenient connection with solid spring contacts
• dimensions: 75mm x 53mm

μVCO

μVCO·3340·A is a voltage controlled oscillator micromodule, which provides three waveforms full of harmonics, well suited for subtractive synthesis. The unit is based on AS3340 integrated circuit, a clone of the famous CEM3340 chip by Curtis.

Features:

• 3 independently accessible waveforms: triangle, sawtooth, pulse
• voltage controlled PWM
• audio signal amplitude 10Vpp (−5V ÷ +5V range)
• 4 summed frequency control inputs 1 V/Oct
• additional 1/2 V/Oct frequency control input for range selection
• additional 24 V/Oct frequency control input for fine-tuning
• linear FM modulation input
• synchronization input
• buffered signal output
• +12V, −12V power supply
• reverse voltage protection
• pin raster 2.54mm

μVCF

μVCF·3320·LP4·A is a four stage voltage controlled low pass filter micromodule. Its 24dB per octave
slope delivers classic sound response found in many synthesizers. The micromodule is based on
the AS3320 integrated circuit.

• integrated 4-channel input signal mixer
• integrated 4-channel cut-off frequency CV mixer
• integrated 2-channel resonance CV mixer
• control voltage range normalized to 0 ÷ 5 V
• exponential control of cut-off frequency
• linear control of resonance
• buffered signal output
• low noise
• +12V, −12V power supply
• reverse voltage protection
• pin raster 2.54


μVCA

μVCA·3360·LIN·A is a voltage controlled amplifier micromodule based on AS3360 integrated circuit,
configured for linear response. It is designed for final amplification stage in a signal path, prior
directly to the sound output in a basic synthesizer setup. However, DC coupled inputs allow
to use the module also as an attenuator or mixer for slow modulation signals. Up to 4 signal sources
(either audio or CV) may be connected to the unit. The amplifier’s gain may be controlled by
up to 4 CV sources.

Features

• linear response
• integrated 4-channel control voltage mixer
• integrated 4-channel input signal mixer
• control voltage range normalized to 0V ÷ +5V
• buffered signal output
• low noise
• +12V, −12V power supply
• reverse voltage protection
• pin raster 2.54

μADSR

μADSR·3310·A is an envelope generator micromodule providing the functionality of AS3310 integrated circuit with control voltages normalized to 0V ÷ +5V range. The micromodule generates RC shaped ADSR type envelope.

Features

• ADSR envelope
• RC envelope shape
• independent gate and trigger
• adjustable peak level
• control voltage range normalized to 0V ÷ +5V
• LED indicator
• +12V, −12V power supply
• reverse voltage protection
• pin raster 2.54mm

μLFO

μLFO·3340·A is a voltage controlled low frequency oscillator. The micromodule is based on AS3340 integrared circuit. Its typical use is for generating periodical control signal for modulating e.g. VCO pitch, VCF cut-off frequency, or VCA gain.

Features

• 4 independently accessible waveforms: triangle, saw, inverted saw, pulse
• voltage controlled PWM
• 3 rate control inputs with different sensitivity
• 5Vpp output signal with adjustable DC shift
• control voltage range normalized to 0V ÷ +5V
• LED indicator
• +12V, −12V power supply
• reverse voltage protection
• pin raster 2.54mm

Manufacturer: Syntaxis, Poland"

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