LaserEthernet
About the LaserEthernet PCB
LaserEthernet is an open source PCB design by Erhannis, published on GitHub. It is a 2-layer board measuring 51.8 × 47.6 mm, with 79 components from 47 distinct parts.
Other key parts include the OPA690IDBVR, MAX4390, ADCMP602, LM78M05CT and LM27313XMF. By type, the board carries 32 resistors, 25 capacitors, 6 ICs, 5 diodes, 3 inductors and 2 connectors.
It belongs with the rf & radio designs in this gallery.
From the project
Cleanup and manufacture-prep of http://blog.svenbrauch.de/2017/02/19/homemade-10-mbits-laser-optical-ethernet-transceiver, license CC-BY-SA-NC 4.0
Warning: I did not get it working, though I only spent like half an hour trying before I got distracted with something else.
Main components on the LaserEthernet
LaserEthernet bill of materials (BOM)
79 components, 47 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | OPA690IDBVR OPA690IDBVR | SOT-23-6 | U1 |
| 1 | MAX4390 AD8051ARTZ-REEL | SOT-23-5 | U2 |
| 1 | ADCMP602 ADCMP602BRMZ | MSOP-8_3x3mm_P0.65mm | U3 |
| 1 | LM78M05CT CJ78M05 | DPAK3 | U4 |
| 1 | LM27313XMF | SOT-23-5 | U5 |
| 1 | AD8028 AD8028ARZ-REEL7 | SOIC-8_3.9x4.9mm_P1.27mm | U7 |
| 1 | C431533 BARREL_JACK DC005 | BARREL_JACK | CON1 |
| 1 | RJ45 HYCW95-RJ45-185B | RJ45_Ninigi_GE | J1 |
| 1 | C58066 Fuse C58066 | Fuseholder5x20_horiz_SemiClosed_Casing10x25mm | F1 |
| 1 | LASERDIODE_1C2A Laserdiode_1C2A | laserdiode_6mm | LD1 |
| 1 | 15K 15k VG039NCHXTB203 | TC33k | RV1 |
| 3 | TEST_1P | 3mm_drill | W1, W2, W3 |
| 1 | C145493 D_Photo BPW46 | LED_D3.0mm_Horicontal_O2.54mm | D1 |
| 2 | LED 19-217/GHC-YR1S2/3T | D_0603_1608Metric | D2, D3 |
| 1 | C143772 D SD0603S040S0R2 | D_0603_1608Metric | D4 |
| 1 | MBR0540 | D_SOD-123 | D5 |
| 3 | 10UH 10uH NLCV32T-100K-EF | L_1210_3225Metric | L1, L3, L4 |
| 1 | C600570 47uF Tantal 35V T495X476K035ATE230 | CP_Tantalum_Case-V_EIA-7343-20_Reflow | C1 |
| 1 | 2.2UF 2.2uF CL10A225KB8NNNC | C_0603_HandSoldering | C2 |
| 1 | NC | C_0603_HandSoldering | C3 |
Show 27 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 5 | 100NF 100nF 0603B104K500NT | C_0603_HandSoldering | C4, C6, C10, C13, C24 |
| 1 | 10UF 10uF EEEFK1E100AR | CP_Elec_4x5.8 | C5 |
| 5 | 22NF 22nF 0603B223K500NT | C_0603_HandSoldering | C7, C9, C21, C22, C23 |
| 3 | 1UF 1uF CL10A105KB8NNNC | C_0603_HandSoldering | C8, C11, C12 |
| 2 | C401709 CP EEEFK1E100AR | CP_Elec_4x5.8 | C14, C15 |
| 3 | 100NF 100nF 0603B104K500NT | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C16, C25, C26 |
| 1 | 2.2UF 2.2uF CL10A225KB8NNNC | C_0603_1608Metric | C27 |
| 1 | 4.7UF 4.7uF GRM188R6YA475KE15D | C_0603_1608Metric | C28 |
| 1 | 82PF 82pF CC0402FRNPO9BN820 | C_0402_1005Metric | C29 |
| 2 | 4K7 4k7 0603WAF4701T5E | R_0603_HandSoldering | R1, R9 |
| 1 | 20K 20k 0603WAF2002T5E | R_0603_HandSoldering | R2 |
| 1 | 1k 0603WAF1001T5E | R_0603_HandSoldering | R3 |
| 1 | 10K 10k 0603WAF1002T5E | R_0603_HandSoldering | R4 |
| 2 | 10 0603WAF100JT5E | R_0603_HandSoldering | R5, R7 |
| 2 | 500R 0603WAF4990T5E | R_0603_HandSoldering | R6, R24 |
| 1 | 1K2 1k2 0603WAF1201T5E | R_0603_HandSoldering | R8 |
| 3 | 2K2 2k2 0603WAF2201T5E | R_0603_HandSoldering | R10, R14, R18 |
| 5 | 47K 47k 0603WAF4702T5E | R_0603_HandSoldering | R11, R23, R25, R26, R27 |
| 3 | 50 0603WAF499JT5E | R_0603_HandSoldering | R12, R13, R15 |
| 1 | 220 0603WAF2200T5E | R_0603_HandSoldering | R16 |
| 1 | 470K 470k 0603WAF4703T5E | R_0603_HandSoldering | R17 |
| 1 | 22K 22k 0603WAF2202T5E | R_0603_HandSoldering | R21 |
| 1 | 100 0603WAF1000T5E | R_0603_HandSoldering | R22 |
| 3 | 1K2 1k2 0603WAF1201T5E | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R28, R31, R32 |
| 2 | 4K7 4k7 0603WAF4701T5E | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R29, R30 |
| 1 | 13.3K 13.3k RC0402FR-0713K3L | R_0402_1005Metric | R33 |
| 1 | 249K 249k CR-02FL6--249K | R_0402_1005Metric | R34 |
LaserEthernet design files
The KiCad project lives in the Erhannis/LaserEthernet repository on GitHub; these links point at the commit this page was built from.
- Layoutethernet.kicad_pcb
- Schematicethernet.kicad_sch
- BOMproduction/bom.csv
LaserEthernet: common questions
How big is the LaserEthernet PCB?
The LaserEthernet measures 51.8 × 47.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the LaserEthernet?
79 components, from 47 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the LaserEthernet design files?
From the Erhannis/LaserEthernet repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the LaserEthernet design in my own project?
The repository has no license, so all rights stay with Erhannis. Use it as a reference, and ask the author before reusing the design.
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