2 layers120 × 20.3 mm
2 layers79.5 × 36.2 mm
Interferometer
atx/phasedPhased array sonar project
- Size
- 79.5 × 36.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 48
- Nets
- 45
- Pads
- 167
- Tracks, vias
- 287, 279
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 8 Mar 2026
- Updated
- 20 Aug 2026
Overview
Interferometer is an open-source printed circuit board by atx, from the atx/phased repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 79.5 × 36.2 mm with 48 parts on 45 nets, routed with 287 tracks and 279 vias.
It is built around the LMD3526B261-OA5 and M2.5. Its parts include 16 diodes, 13 resistors, 5 capacitors, 3 ICs and 3 connectors.
Main components
2README
README.mdphased
Random experiments with microphone phased arrays
Parts
48| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | LED | footprints:LED_SIDE_1.7x1.1mm | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16 |
| 11 | 22 | Resistor_SMD:R_0402_1005Metric | R1, R2, R3, R4, R5, R6, R7, R8, R11, R12, R16 |
| 5 | TestPoint | TestPoint:TestPoint_Pad_D1.5mm | TP1, TP2, TP3, TP4, TP5 |
| 4 | 100n | Capacitor_SMD:C_0402_1005Metric | C1, C2, C5, C14 |
| 3 | LMD3526B261-OA5 | footprints:LMD3526B261-OA5 | U1, U2, U15 |
| 3 | PMOD | footprints:PMOD_2x06 | J1, J2, J3 |
| 2 | 1k | Resistor_SMD:R_0603_1608Metric | R9, R10 |
| 2 | M2.5 | MountingHole:MountingHole_2.5mm_Pad_Via | H1, H2 |
| 1 | 10u | Capacitor_SMD:C_0805_2012Metric | C3 |
| 1 | JMP_DIST | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP1 |
Questions
How big is the Interferometer PCB?
It measures 79.5 × 36.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Interferometer use?
48 parts, built around the LMD3526B261-OA5 and M2.5. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Interferometer KiCad files?
From the atx/phased repository on GitHub, at the commit this page was made from: the board is pcb/interferometer/interferometer.kicad_pcb and its schematic pcb/interferometer/interferometer.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Interferometer design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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