2 layers99 × 84.6 mm
2 layers82.2 × 61.5 mm
Separator
climatex/Winchesterduino10Arduino MFM/RLL hard disk interface.
- Size
- 82.2 × 61.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 28
- Nets
- 45
- Pads
- 141
- Tracks, vias
- 415, 52
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 10 May 2025
- Updated
- 1 Feb 2026
Overview
Separator is an open-source printed circuit board by climatex, from the climatex/Winchesterduino repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 82.2 × 61.5 mm with 28 parts on 45 nets, routed with 415 tracks and 52 vias.
It is built around the SN75176N. Its parts include 11 capacitors, 6 resistors, 4 connectors, 3 ICs and 2 inductors.
Main components
1README
README.md
Winchesterduino, an Arduino MFM/RLL disk interface
Check out my website article to learn more!
A mainboard version update with memory card support can be found in the v1.1 branch.
Parts
28| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 100n | Capacitor_THT:C_Disc_D7.5mm_W2.5mm_P5.00mm | C1, C2, C4 |
| 3 | 1n0 | Capacitor_THT:C_Disc_D7.5mm_W2.5mm_P5.00mm | C3, C8, C9 |
| 2 | 4n7 | Capacitor_THT:C_Disc_D7.5mm_W2.5mm_P5.00mm | C5, C7 |
| 2 | Conn_01x16 | Connector_PinHeader_2.54mm:PinHeader_1x16_P2.54mm_Vertical | J1, J2 |
| 2 | SN75176 | Package_DIP:DIP-8_W7.62mm | U1, U2 |
| 2 | ~ | Capacitor_THT:C_Disc_D7.5mm_W2.5mm_P5.00mm | C10, C11 |
| 1 | 100 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 1 | 100K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4 |
| 1 | 10K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2 |
| 1 | 150p | Capacitor_THT:C_Disc_D7.5mm_W2.5mm_P5.00mm | C6 |
| 1 | 16 MHz | Crystal:Crystal_HC49-U_Vertical | Q1 |
| 1 | 1K5 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5 |
| 1 | 36K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3 |
| 1 | 590 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R6 |
| 1 | BB112 | Package_TO_SOT_THT:TO-92-2_Wide | D1 |
| 1 | Conn_02x10_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x10_P2.54mm_Vertical | J3 |
| 1 | L_Small | Inductor_THT:L_Radial_D8.7mm_P5.00mm_Fastron_07HCP | L2 |
| 1 | TTL read data to logic analyzer (optional) | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | WD10C22 | Package_DIP:DIP-28_W15.24mm_LongPads | U3 |
| 1 | ferrite bead | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | L1 |
Questions
How big is the Separator PCB?
It measures 82.2 × 61.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Separator use?
28 parts, built around the SN75176N. 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 Separator KiCad files?
From the climatex/Winchesterduino repository on GitHub, at the commit this page was made from: the board is Boards/Separator_WD10C22/Separator.kicad_pcb and its schematic Boards/Main/Main.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Separator 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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