4 layers114.3 × 33 mm
Optical digitizer
jrleeman/Clemson_OFMI
Optical Fiber Michelson Interrogator (OFMI) designed for geophysical applications by Dr. Scott DeWolf
34 parts
4 layers101.6 × 33 mm
Computer board
jrleeman/Clemson_OFMIOptical Fiber Michelson Interrogator (OFMI) designed for geophysical applications by Dr. Scott DeWolf
- Size
- 101.6 × 33 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 43
- Nets
- 29
- Pads
- 165
- Tracks, vias
- 290, 41
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 5 Nov 2019
- Updated
- 5 Nov 2019
Overview
Computer board is an open-source printed circuit board by jrleeman, from the jrleeman/Clemson_OFMI repository on GitHub. It is a 4-layer board of 101.6 × 33 mm with 43 parts on 29 nets, routed with 290 tracks and 41 vias.
It is built around the BSS138. Its parts include 24 resistors, 12 transistors and 3 connectors.
Main components
1README
README.mdClemson OFMI
This repository houses the hardware and software for the Optical Fiber Michelson Interrogator (OFMI) designed for geophysical applications by Dr. Scott DeWolf. Scott is an assistant research professor at Clemson University.
Parts
43| Qty | Value | Footprint | References |
|---|---|---|---|
| 24 | 10k | Resistors_SMD:R_0603_HandSoldering | R1, R2, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23 +8 |
| 12 | BSS138 | TO_SOT_Packages_SMD:SOT-23 | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12 |
| 4 | MountingHole | Mounting_Holes:MountingHole_3.2mm_M3_DIN965 | H1, H2, H3, H4 |
| 1 | Digitiziers | lib_fp:SAMTEC-SSW-111-02-X-D-RA | J1 |
| 1 | Laser Driver | Pin_Headers:Pin_Header_Angled_1x11_Pitch2.54mm | J2 |
| 1 | Raspberry_Pi | lib_fp:Pi_Zero | J3 |
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Questions
How big is the Computer board PCB?
It measures 101.6 × 33 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Computer board use?
43 parts, built around the BSS138. 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 Computer board KiCad files?
From the jrleeman/Clemson_OFMI repository on GitHub, at the commit this page was made from: the board is computer_board/KiCAD_Project/computer_board/computer_board.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Computer board design in my own project?
Its repository states no licence, so its author keeps all rights: ask jrleeman before reusing the design.