2 layers29.5 × 26.5 mm
2 layers52 × 29 mm
Butterworth Filter
Cybernetics9798/Course_PCB_DesignPCB designs for 2EI4 and 3EJ4
- Size
- 52 × 29 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 14
- Nets
- 8
- Pads
- 38
- Tracks, vias
- 37, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 26 Dec 2025
- Updated
- 31 Dec 2025
Overview
Butterworth Filter is an open-source printed circuit board by Cybernetics9798, from the Cybernetics9798/Course_PCB_Design repository on GitHub. It is a 2-layer board of 52 × 29 mm with 14 parts on 8 nets, routed with 37 tracks and 0 vias.
Its parts include 4 resistors and 2 capacitors.
README
README.mdCourse_PCB_Design
PCB designs for 2EI4 and 3EJ4
Parts
14| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 2000 | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R1, R2, R3, R4 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_2.2mm_M2_DIN965_Pad_TopBottom | Screw1, Screw2, Screw3, Screw4 |
| 3 | Conn_01x02_Pin | Connector_PinHeader_2.00mm:PinHeader_1x02_P2.00mm_Vertical | Input, Output, Vcc |
| 2 | 0.00000001 | Capacitor_THT:C_Disc_D7.5mm_W5.0mm_P5.00mm | C1, C2 |
| 1 | LT6238 | Package_DIP:DIP-8_W7.62mm | uA741 |
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Questions
How big is the Butterworth Filter PCB?
It measures 52 × 29 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Butterworth Filter use?
14 parts. 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 Butterworth Filter KiCad files?
From the Cybernetics9798/Course_PCB_Design repository on GitHub, at the commit this page was made from: the board is ButterworthFilter/Butterworth_Filter.kicad_pcb and its schematic 3EJ4_Lab1/3EJ4_Lab1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Butterworth Filter design in my own project?
Its repository states no licence, so its author keeps all rights: ask Cybernetics9798 before reusing the design.