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2 layers99.1 × 99.1 mmWave folder, the printed circuit board in 3D

modular analog synthesizer for a.p.

Size
99.1 × 99.1 mm
Copper layers
2
Thickness
1.6 mm
Parts
91
Nets
57
Pads
257
Tracks, vias
407, 82
Pours
2
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
17 Jun 2020
Updated
13 Aug 2020

Overview

Wave folder is an open-source printed circuit board by JordanAceto, from the JordanAceto/angelo_modular repository on GitHub, published under the CC-BY-4.0 licence. It is a 2-layer board of 99.1 × 99.1 mm with 91 parts on 57 nets, routed with 407 tracks and 82 vias.

It is built around the TL072. Its parts include 37 resistors, 21 diodes, 18 capacitors, 5 ICs and 4 connectors.

Main components

1

README

README.md

Custom 5u format modular synth with 12 modules

Contains:

  • VCO with 5-pulser waveshaper
  • VCO with two sub-oscillators
  • VCO with LFO range switch
  • Voltage controlled wavefolder plus ring-modulator
  • Voltage controlled filter with swapable filter-core plug-in boards
  • Dual late MS20 style voltage controlled filter
  • MIDI to CV plus audio input processor
  • Dual 3-input DC coupled mixer
  • Modulation source with voltage controlled LFO, sample-and-hold, and white noise source
  • Dual Serge style slope generator
  • Dual ADSR
  • Dual VCA
  • +/- 12 volt power supply

User manuals can be found in the /user_manuals/ directory. This directory also contains a document outlining any pcb kludges or changes to the current system.

Documentation for the pcbs is in the /pcb_docs/ directory

Documentation for each pcb consists of the following:
  • A very brief README outlining the basics of the pcb

  • /construction_docs/ subdirectory which contains:

    • Gerbers for the circuit board
    • An interactive BOM which can be opened in a web browser
    • A pdf schematic
  • /kicad_docs/ subdirectory which contains the files needed to edit the schematic and pcb layout with kicad

  • /pics/ subdirectory which contains a few rendered pictures of the pcb for reference

Parts

91
QtyValueFootprintReferences
20DDiode_THT:D_A-405_P7.62mm_HorizontalD1, D2, D3, D4, D5, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20 +4
10100nFCapacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolderC9, C10, C11, C12, C13, C14, C15, C16, C17, C18
815kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR1, R2, R3, R4, R6, R7, R8, R9
6100kPotentiometer_THT:Potentiometer_Alpha_RD901F-40-00D_Single_VerticalRV1, RV2, RV3, RV4, RV5, RV6
4100kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR13, R17, R24, R31
4510Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR16, R19, R34, R37
4560pFCapacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mmC2, C3, C5, C6
3220kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR14, R23, R32
35k6Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR5, R10, R28
3TL072Package_DIP:DIP-8_W7.62mmU2, U3, U4
2100pFCapacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mmC1, C4
210uFCapacitor_THT:CP_Radial_D6.3mm_P2.50mmC7, C8
21kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR22, R29
2240kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR18, R36
24k7Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR15, R33
110MResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR30
1180kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR25
127kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR35
12k7Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR27
133kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR26
156kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR11
17k5Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR20
182kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR21
1AD534Package_DIP:DIP-14_W7.62mmU5
1CV_portConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ2
1D_SchottkyDiode_THT:D_A-405_P7.62mm_HorizontalD21
1SSM2164Package_DIP:DIP-16_W7.62mmU1
1dnfResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR12
1power_in_connectorConnector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_VerticalJ4
1ring_mod_portConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ3
1signal_portConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalJ1

Questions

How big is the Wave folder PCB?

It measures 99.1 × 99.1 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Wave folder use?

91 parts, built around the TL072. 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 Wave folder KiCad files?

From the JordanAceto/angelo_modular repository on GitHub, at the commit this page was made from: the board is pcb_docs/wave_folder/kicad_docs/wave_folder.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Wave folder design in my own project?

Its repository publishes it under the CC-BY-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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