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2 layers38 × 98 mmMultiple, the printed circuit board in 3D

Library of DIY synth hardware

Size
38 × 98 mm
Copper layers
2
Thickness
1.6 mm
Parts
25
Nets
28
Pads
90
Tracks, vias
95, 1
Pours
2
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
20 Aug 2022
Updated
21 Jun 2024

Overview

Multiple is an open-source printed circuit board by mtihlenfield, from the mtihlenfield/diy-synth repository on GitHub. It is a 2-layer board of 38 × 98 mm with 25 parts on 28 nets, routed with 95 tracks and 1 via.

Its parts include 9 connectors, 6 capacitors, 6 resistors, 2 ICs and 2 diodes.

README

README.md

Library of DIY Eurorack Modules

Completed Modules:

  • mixer - Simple buffered mixer
  • mulitple - Simple buffered multiple
  • noise - Noise generater module - Based on moritz klien's design
  • keyboard - Volt per octave keyboard and sequencer
  • power-supply - -+12V power supply

In progress

  • Attenuverter
  • VCLFO

Future Modules:

  • quantizer - Digital quantizer
  • Sample and Hold
  • Slew Limiter

Parts

25
QtyValueFootprintReferences
61kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR1, R2, R3, R4, R5, R6
40.1uFCapacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mmC3, C4, C5, C6
210uFCapacitor_THT:CP_Radial_D5.0mm_P2.00mmC1, C2
21N5818Diode_THT:D_DO-41_SOD81_P10.16mm_HorizontalD1, D2
2TL074Package_DIP:DIP-14_W7.62mm_SocketU1, U2
1Input 1Tayda_Jacks:PJ-323MJ2
1Input 2Tayda_Jacks:PJ-323MJ3
1Output 1Tayda_Jacks:PJ-323MJ7
1Output 2Tayda_Jacks:PJ-323MJ8
1Output 3Tayda_Jacks:PJ-323MJ9
1Output 4Tayda_Jacks:PJ-323MJ6
1Output 5Tayda_Jacks:PJ-323MJ4
1Output 6Tayda_Jacks:PJ-323MJ5
1Power ConnectorConnector_IDC:IDC-Header_2x05_P2.54mm_VerticalJ1

Questions

How big is the Multiple PCB?

It measures 38 × 98 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Multiple use?

25 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Multiple KiCad files?

From the mtihlenfield/diy-synth repository on GitHub, at the commit this page was made from: the board is multiple/multiple/multiple.kicad_pcb and its schematic keyboard/hardware/keyboard-controller/analog_input.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Multiple design in my own project?

Its repository states no licence, so its author keeps all rights: ask mtihlenfield before reusing the design.

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