HardLabs

Cem3340

jhitesma·Modular-Synth-Build·cem3340/cem3340/cem3340.kicad_pcb

Cem3340 PCB layout, top view — open source board by jhitesma

About the Cem3340 PCB

Cem3340 is an open source PCB design by jhitesma, published on GitHub under the MIT license. It is a 2-layer board measuring 100 × 70 mm, with 31 components from 22 distinct parts.

Other key parts include the TL074 and AS3340. By type, the board carries 16 resistors, 6 capacitors, 3 connectors and 2 ICs.

It belongs with the audio designs in this gallery.

From the project

Notes and documents for my modular synth build.

Just a place for me to record information about the modular synth I'm building. Documenting most of the build on the LMNK Forum.

Main components on the Cem3340

TL074AS3340

Cem3340 bill of materials (BOM)

31 components, 22 distinct parts.

QtyPartRefs
1
TL074
U1
1
AS3340
U2
1
INPUTS
J1
1
OUTPUTS
J2
1
Conn_02x05_Odd_Even
J3
1
10k
CAL1
3
100k Lin
Coarse_Tune1, PWM_CV1, Pulse_Width1
2
100n
C1, C2
1
10nf
C3
2
10uf
C4, C5
1
1nf poly
C6
3
470k
R1, R6, R15
3
100k
R2, R3, R16
2
470R
R4, R7
1
4.7k
R5
1
24k
R8
1
5.6k
R9
1
1.8k
R10
1
1.5M
R11
1
680r
R12
Show 2 more
QtyPartRefs
1
1k
R13
1
10k
R14

Cem3340 design files

The KiCad project lives in the jhitesma/Modular-Synth-Build repository on GitHub; these links point at the commit this page was built from.

Cem3340: common questions

How big is the Cem3340 PCB?

The Cem3340 measures 100 × 70 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Cem3340?

31 components, from 22 distinct parts. The full bill of materials is listed on this page.

Where can I download the Cem3340 design files?

From the jhitesma/Modular-Synth-Build repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Cem3340 design in my own project?

Yes, under the terms of its MIT license, which jhitesma chose for the repository.

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