HardLabs

Vco mk1

Windfisch·analog-synth·hardware/vco_mk1/vco_mk1_spitfire/vco_mk1.kicad_pcb

Vco mk1 PCB layout, top view — open source board by Windfisch

About the Vco mk1 PCB

Vco mk1 is an open source PCB design by Windfisch, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 50 × 80 mm, with 87 components from 43 distinct parts.

Other key parts include the LM324 and 74HC86. By type, the board carries 52 resistors, 13 capacitors, 6 transistors, 6 connectors, 6 jumpers and 3 ICs.

It belongs with the audio designs in this gallery.

From the project

A low-cost semimodular analog synthesizer

This design is a 2 layer PCB with all components on the front. As a result, it features a continuous ground plane on the back.

Main components on the Vco mk1

LM32474HC86

Vco mk1 bill of materials (BOM)

87 components, 43 distinct parts.

QtyPartRefs
2
LM324
U1, U2
1
74HC86
U3
1
BCM847
Q1
2
BC547
Q2, Q3
1
2N7000
Q4
1
BC547
Q5
1
BC327
Q6
1
power supply
J1
1
control in
J2
1
signal out
J3
1
Conn_01x03_Male
J4
1
BCM847 breakout socket
J5
1
Conn_01x01_Male
J6
1
Rossum override
JP1
1
Rossum connect
JP2
1
expo in
JP3
1
gnd adjust
JP4
1
Jumper_2_Open
JP5
1
ringmod config
JP6
1
1N4148
D1
Show 23 more
QtyPartRefs
11
100n
C1, C2, C5, C6, C7, C8, C9, C10 +3
1
2.2n
C3
1
1n
C4
2
1Meg
R1, R3
2
10k
R2, R25
3
147k
R4, R5, R6
1
220k
R7
1
12k2
R8
1
150
R9
1
1k
R10
3
1k
R11, R17, R39
2
2.2k
R12, R40
1
4.7k
R13
11
100k
R14, R16, R22, R33, R36, R37, R38, R44 +3
1
1k
R15
3
TODO
R18, R19, R20
1
50k
R21
3
47k
R23, R24, R26
11
10k
R27, R29, R32, R35, R41, R42, R43, R48 +3
1
20k
R28
2
none
R30, R34
1
1Meg
R31
1
1k
R52

Vco mk1 design files

The KiCad project lives in the Windfisch/analog-synth repository on GitHub; these links point at the commit this page was built from.

Vco mk1: common questions

How big is the Vco mk1 PCB?

The Vco mk1 measures 50 × 80 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Vco mk1?

87 components, from 43 distinct parts. The full bill of materials is listed on this page.

Where can I download the Vco mk1 design files?

From the Windfisch/analog-synth repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Vco mk1 design in my own project?

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

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