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808 Kick

jhitesma·Modular-Synth-Build·808Kick/808_Kick/808_Kick.kicad_pcb

808 Kick PCB layout, top view — open source board by jhitesma
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About the 808 Kick PCB

808 Kick is an open source PCB design by jhitesma, published on GitHub under the MIT license. It is a 2-layer board measuring 97.8 × 67.3 mm, with 53 components from 31 distinct parts.

Other key parts include the TL074. By type, the board carries 23 resistors, 13 capacitors, 5 transistors, 3 diodes, 1 IC and 1 connector.

It belongs with the audio designs in this gallery.

From the project

Notes and documents for my modular synth build.

Based on a schematic by Juanito Moore (included here for reference) in his youtube video: https://www.youtube.com/watch?v=xPBeEi4SE68 Be sure to check out his great video where he shows another way to build the circuit and explains it's working in detail.

I drew up a PCB in Kicad and etched it myself mostly as an excuse to learn how. I used UV dry transfer film and transfered my layout by printing it inverted on vellum to make a negative. Took me a few tries to get the process down but was able to etch this board successfully and get it working.

808 Kick, from the project README
From the project README

Main components on the 808 Kick

TL074

808 Kick bill of materials (BOM)

53 components, 31 distinct parts.

QtyPartRefs
1
TL074
U1
4
2N3904
Q1, Q3, Q4, Q5
1
2N3906
Q2
1
Eurorack Power
J3
1
500K
Decay1
1
10K
Level1
1
Output
Output1
1
100K
Pitch1
1
Clipper
SW1
1
5K
Tone1
1
Trigger
Trigger1
3
D
D1, D2, D3
5
100n
C1, C3, C7, C9, C11
3
15n
C2, C5, C6
1
33n
C4
1
470n
C8
1
33u
C10
2
10uf
C12, C13
3
100K
R1, R7, R12
2
22K
R2, R11
Show 11 more
QtyPartRefs
4
10K
R3, R4, R5, R21
1
8.2K
R6
1
2.7K
R8
1
4.7K
R9
3
1M
R10, R14, R15
1
6.8K
R13
1
330K
R16
2
47K
R17, R19
1
470K
R18
2
680R
R20, R23
1
20K
R22

808 Kick 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.

808 Kick: common questions

How big is the 808 Kick PCB?

The 808 Kick measures 97.8 × 67.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 808 Kick?

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

Where can I download the 808 Kick 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 808 Kick design in my own project?

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

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