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Vcf core

shmoergh·moduleur·modules/04-vcf/electronics/core/vcf-core.kicad_pcb

Vcf core PCB layout, top view — open source board by shmoergh
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About the Vcf core PCB

Vcf core is an open source PCB design by shmoergh, published on GitHub. It is a 2-layer board measuring 58 × 65 mm, with 76 components from 39 distinct parts.

Other key parts include the TL072. By type, the board carries 29 resistors, 22 capacitors, 12 diodes, 6 connectors, 4 ICs and 1 transistor.

It belongs with the audio designs in this gallery.

From the project

Fully analog DIY-friendly modular synth

Dual mode Eurorack compatible analog multimode diode filter.

- Classic diode filter with extremely drippy character - Low pass and high pass filter inputs - Fine-tunable maximum resonance control — can go smooth to crazy - Two external CV inputs with logarithmic attenuverters - Optional EMC shielding to isolate external noise - Separate core and UI PCBs for reusability and custom UI builds - Gerber files for JLCPCB order - Designed from very common electronic components

Vcf core, from the project README
From the project README

Main components on the Vcf core

TL072

Vcf core bill of materials (BOM)

76 components, 39 distinct parts — part numbers from the project's BOM.

QtyPartRefs
4
TL072
JLCPCB
U1, U2, U3, U4
1
BC847BS
JLCPCB
Q1
1
200-SSW10401TMS
Conn_01x06
Mouser
J1
1
200-HTSW10407TD
Conn_02x04_Counter_Clockwise
Mouser
J2
1
200-HTSW10207TD
Conn_02x02_Counter_Clockwise
Mouser
J3
1
200-TSW10307TD
Conn_02x03_Odd_Even
Mouser
J6
1
200-HTSW10207TS
Conn_01x02
Mouser
J7
1
571-5103310-1
Conn_02x05_Odd_Even
Mouser
J8
1
1k
RV_BALANCE1
1
100k
RV_MAX_RESO1
10
1N4148
JLCPCB
D1, D2, D3, D4, D5, D6, D7, D8 +2
2
1N5817
JLCPCB
D11, D12
10
100N
100n
JLCPCB
C1, C2, C3, C4, C5, C6, C8, C9 +2
1
10N
10n
JLCPCB
C7
3
80-R82EC1100SH50J
1n (Foil)
Mouser
C10, C12, C14
1
2.2U
2.2u
JLCPCB
C11
4
100U
100u
JLCPCB
C13, C17, C21, C22
1
80-R82CC4100AA60J
1u (foil)
Mouser
C18
1
80-ESK475M035AC3AA
4.7u
Mouser
C19
1
10U
10u
JLCPCB
C20
Show 19 more
QtyPartRefs
1
20K
20k
JLCPCB
R1
4
10K
10k
JLCPCB
R4, R6, R8, R29
1
56K
56k
JLCPCB
R7
2
47K
47k
JLCPCB
R9, R26
1
200K
200k
JLCPCB
R10
1
180K
180k
JLCPCB
R11
1
2.7K
2.7k
JLCPCB
R12
2
1.5K
1.5k
JLCPCB
R13, R22
1
2.2K
2.2k
JLCPCB
R14
1
33K
33k
JLCPCB
R15
1
100
JLCPCB
R16
1
390
JLCPCB
R17
4
1k
JLCPCB
R18, R19, R23, R32
1
3.9K
3.9k
JLCPCB
R20
1
200
JLCPCB
R21
2
1M
JLCPCB
R24, R27
1
22K
22k
JLCPCB
R25
1
220K
220k
JLCPCB
R28
2
100K
100k
JLCPCB
R30, R31

Vcf core design files

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

Vcf core: common questions

How big is the Vcf core PCB?

The Vcf core measures 58 × 65 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Vcf core?

76 components, from 39 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Vcf core design files?

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

Can I use the Vcf core design in my own project?

The repository has no license, so all rights stay with shmoergh. Use it as a reference, and ask the author before reusing the design.

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