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Solstrejf PSU & Stereo Mixer

KamikazeVildsvin·Solstrejf·pcb/solstrejf-PSU-mixer/solstrejf-PSU-mixer.kicad_pcb

Solstrejf PSU & Stereo Mixer PCB layout, top view — open source board by KamikazeVildsvin
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About the Solstrejf PSU & Stereo Mixer PCB

Solstrejf PSU & Stereo Mixer is an open source PCB design by KamikazeVildsvin, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 114.9 × 54 mm, with 39 components from 21 distinct parts.

Other key parts include the TL072, L7815 and L7915. By type, the board carries 14 capacitors, 8 resistors, 7 connectors, 3 ICs, 3 test points and 3 diodes.

It belongs with the audio and robotics & motion designs in this gallery.

From the project

4 voice analog sinewave drone oscillator with modmatrix

I wanted the instrument to be playful and interactive. Four sine wave oscillators in itself are maybe not that interesting and can become static. A modulation matrix, which would allow for all four voices to modulate parameters like frequency and amplitude on all other voices would create more complex soundscapes. The basic idea and block diagram can be seen above, where four identical voice boards are connected to the mod-matrix board and a power supply/mixer board for output summation.

Solstrejf PSU & Stereo Mixer, from the project README
From the project README

Main components on the Solstrejf PSU & Stereo Mixer

TL072L7815L7915

Solstrejf PSU & Stereo Mixer bill of materials (BOM)

39 components, 21 distinct parts.

QtyPartRefs
1
TL072
U1
1
L7815
U2
1
L7915
U3
1
LEFT JACK
J1
1
RIGHT JACK
J2
4
Conn_02x05_Odd_Even
J3, J4, J5, J6
1
Transformer_Terminals
J7
1
10k-A
RV1
1
+15V
TP1
1
GND
TP2
1
-15V
TP3
2
LED
D1, D3
1
W01G
D2
2
1n
C1, C2
4
100n
C3, C4, C11, C12
4
1000u 35V
C5, C6, C7, C8
2
22u 35V
C9, C10
2
1u
C13, C14
2
10k
R1, R2
4
1k
R3, R4, R7, R8
Show 1 more
QtyPartRefs
2
10R
R5, R6

Solstrejf PSU & Stereo Mixer design files

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

Solstrejf PSU & Stereo Mixer: common questions

How big is the Solstrejf PSU & Stereo Mixer PCB?

The Solstrejf PSU & Stereo Mixer measures 114.9 × 54 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Solstrejf PSU & Stereo Mixer?

39 components, from 21 distinct parts. The full bill of materials is listed on this page.

Where can I download the Solstrejf PSU & Stereo Mixer design files?

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

Can I use the Solstrejf PSU & Stereo Mixer design in my own project?

Yes, under the terms of its GPL-3.0 license, which KamikazeVildsvin chose for the repository.

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