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Abakus Main

mzuelch·CATs-Eurosynth·Modules/Standard Line/Abakus/Electronics/Main/Abakus Main.kicad_pcb

Abakus Main PCB layout, top view — open source board by mzuelch
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About the Abakus Main PCB

Abakus Main is an open source PCB design by mzuelch, published on GitHub under the MIT license. It is a 2-layer board measuring 69.9 × 108 mm, with 87 components from 33 distinct parts.

Other key parts include the TL072CDT, AMS1117-5.0, TL074CDR, LM4040AIM3-5.0/NOPB and LM4040C10IDBZR. By type, the board carries 38 resistors, 20 capacitors, 11 ICs, 10 diodes and 8 connectors.

It belongs with the audio designs in this gallery.

From the project

Analog Synth Eurorack Modules

Abakus Main, from the project README
From the project README

Main components on the Abakus Main

TL072CDTAMS1117-5.0TL074CDRLM4040AIM3-5.0/NOPBLM4040C10IDBZR

Abakus Main bill of materials (BOM)

87 components, 33 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
TL072CDT
U1
3
TL072CDT
U2, U4, U5
1
AMS1117-5.0
TL072CDT
U3
4
TL074CDR
U6, U7, U8, U9
1
LM4040AIM3-5.0/NOPB
U10
1
LM4040C10IDBZR
U11
1
Power
J1
1
Out
J2
1
In1
J3
1
In2
J4
1
In3
J5
1
In4
J6
1
Sum
J7
1
MinMax
J8
2
BAV99
B5817W
D1, D2
4
1N4148W
D3, D4, D7, D8
2
BAV99
1N4148W
D5, D6
2
C8598
1N4148W
D9, D10
1
100UF/6.3V
10µ
C1
1
10µ
C2
Show 13 more
QtyPartRefs
4
10UF/16V
100n
C3, C4, C5, C7
2
100N
100n
C6, C8
12
100n
C9, C10, C11, C12, C13, C14, C15, C16 +4
2
3K3
100k
R1, R2
4
33K
100k
R3, R4, R7, R8
1
7K5
1k
R5
1
10K
1k
R6
3
10K
100k
R9, R10, R13
1
27K
100k
R11
1
1K5
100k
R12
8
100k
R14, R21, R22, R23, R24, R27, R29, R30
15
1k
R15, R16, R17, R18, R19, R20, R25, R26 +7
2
10k
R33, R35

Abakus Main design files

The KiCad project lives in the mzuelch/CATs-Eurosynth repository on GitHub; these links point at the commit this page was built from.

Abakus Main: common questions

How big is the Abakus Main PCB?

The Abakus Main measures 69.9 × 108 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Abakus Main?

87 components, from 33 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 Abakus Main design files?

From the mzuelch/CATs-Eurosynth repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Abakus Main design in my own project?

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

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