HardLabs

Lfo

eblade·synth·lfo/lfo.kicad_pcb

Lfo PCB layout, top view — open source board by eblade

About the Lfo PCB

Lfo is an open source PCB design by eblade, published on GitHub. It is a 2-layer board measuring 99.1 × 99.1 mm, with 76 components from 31 distinct parts.

Other key parts include the TL074 and TL072. By type, the board carries 44 resistors, 9 capacitors, 8 connectors, 5 transistors, 3 ICs and 3 diodes.

It belongs with the audio designs in this gallery.

From the project

Synth stuff

Main components on the Lfo

TL074TL072

Lfo bill of materials (BOM)

76 components, 31 distinct parts.

QtyPartRefs
2
TL074
U1, U2
1
TL072
U3
5
BC550
Q1, Q2, Q3, Q4, Q5
1
CV
J1
1
EURO
J2
1
TRI
J3
1
SQR
J4
1
RAMP UP
J5
1
SIN
J6
1
COS
J7
1
RAMP DOWN
J8
1
F
RV1
1
CV
RV2
1
SC1 100K
RV3
1
SC2 50K
RV4
1
LED
D1
2
1N4004
D2, D3
7
100n
C1, C2, C3, C4, C5, C6, C7
2
10U
C8, C9
12
100k
R1, R2, R3, R4, R5, R17, R18, R20 +4
Show 11 more
QtyPartRefs
5
47k
R6, R7, R8, R9, R13
10
10K
R10, R11, R16, R19, R25, R32, R35, R36 +2
6
1K
R12, R14, R34, R37, R39, R40
2
470R
R15, R27
1
220R
R23
1
68K
R24
2
33K
R28, R29
1
20K
R30
1
50k
R31
1
RAMP 20K
R33
2
10R
R42, R43

Lfo design files

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

Lfo: common questions

How big is the Lfo PCB?

The Lfo measures 99.1 × 99.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Lfo?

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

Where can I download the Lfo design files?

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

Can I use the Lfo design in my own project?

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

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