HardLabs

VCO

PancakeLegend·HackSynth·KiCAD/VCO/v1-1/VCO.kicad_pcb

VCO PCB layout, top view — open source board by PancakeLegend

About the VCO PCB

VCO is an open source PCB design by PancakeLegend, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 50 × 100 mm, with 41 components from 24 distinct parts.

Other key parts include the 4069. By type, the board carries 21 resistors, 7 connectors, 4 capacitors, 2 transformers, 2 diodes and 1 IC.

It belongs with the audio designs in this gallery.

From the project

A modular synth project

Main components on the VCO

4069

VCO bill of materials (BOM)

41 components, 24 distinct parts.

QtyPartRefs
1
4069
U1
1
BC548 NPN
Q1
1
CV IN 1
J1
1
CV IN 2
J2
1
PWM
J3
1
SAW OUT
J4
1
PULSE OUT
J5
2
Conn_01x03_Pin
J6, J7
2
22k
RV1, RV3
1
1k Trimpot
RV2
1
BC558 PNP
T1
1
BC548 NPN
T2
2
1N4148
D1, D2
1
2.2nF
C1
3
220nF
C2, C3, C4
3
10k NTC
R1, R2, R3
9
100k
R4, R5, R6, R8, R12, R14, R18, R20 +1
1
1.5k
R7
2
1M
R9, R10
2
10k
R11, R17
Show 4 more
QtyPartRefs
1
68k
R13
1
680R
R15
1
47k
R16
1
22K
R19

VCO design files

The KiCad project lives in the PancakeLegend/HackSynth repository on GitHub; these links point at the commit this page was built from.

VCO: common questions

How big is the VCO PCB?

The VCO measures 50 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the VCO?

41 components, from 24 distinct parts. The full bill of materials is listed on this page.

Where can I download the VCO design files?

From the PancakeLegend/HackSynth repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the VCO design in my own project?

Yes, under the terms of its GPL-3.0 license, which PancakeLegend chose for the repository.

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