SSI2130-Oscillator

This repository contains documentation for an Oscillator designed using the SSI2130 chip. The intended application is for use as an audio synthesizer. The MIDI Converter used the design "MIDI2CV" by Larry McGovern (available for free under the GNU General Public License via https://github.com/elkayem/midi2cv).

Design Team

Ryan Laur, Daniel Louis, Sahil Patel, Dieter Steinhauser, Cale Woodward, Eric Barkuloo, Hannah Kirkland, Jackson Cornell et al.

Topics Explored

• Decoupling Capacitors
• Through-Zero FM

Parts

Oscillator:

• SSI2130

DC Converter

• RS6-0512D regulated converter
• Capacitors: 47pF, 100pF, 2x10µF, 22µF
• Chokes: 1 µH CMC, 200 µH DMC
• 5V USB power converter and cable

MIDI-Converter:

• Arduino Nano
• 6N138 Optocoupler
• 2x MCP4822 12-bit DACs
• LM324N Quad Op Amp
• 1N4148 Diode
• Resistors: 220, 500, 3x1k, 3k, 10k
• 5k Trimmer
• 3x 0.1 uF ceramic capacitors
• 5 pin MIDI jack
• 7x 4mm banana plug jacks
• 3-pin header and jumper

Sub-Oscillator:

• TL074 Quad Op Amp
• CD4013BE Dual D-Type Flip-Flop
• Resistors: 2x47k, 33k, 68k, 220k
• 2N3904
• 2x 1N4148 Diode