2 layers65.8 × 55.9 mm
CatponentX
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2 layers32 × 22 mm
Pmod optical
mdovey/pmod_optical3PMOD to Optical (ADAT/SPDIF) Module
- Size
- 32 × 22 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 17
- Nets
- 10
- Pads
- 58
- Tracks, vias
- 94, 9
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 26 Jul 2023
- Updated
- 5 Aug 2023
Overview
Pmod optical is an open-source printed circuit board by mdovey, from the mdovey/pmod_optical repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 32 × 22 mm with 17 parts on 10 nets, routed with 94 tracks and 9 vias.
It is built around the FCR684208R and FCR684208T. Its parts include 8 resistors, 4 capacitors, 2 connectors and 1 IC.
Main components
2README
README.mdpmod_optical
PMOD to Optical (ADAT/SPDIF) Module
PMOD module for interfacing with optical fibres using the JIS F05 connector (up to 16mbps). Typical applications are for digital audio using SPDIF (2 Channel) or ADAT (4/8 Channels).
| PMOD Pin | Name | Direction | Description |
|---|---|---|---|
| 1 | TX | Out | Optical transmitter data |
| 2 | TX_EN | Out | Enable the optical transmitter |
| 3 | RX | In | Optical receiver data |
| 4 | RX_EN | Out | Enable the optical receiver |
Parts
17| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3, R4, R5, R6, R7, R8 |
| 3 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C3, C4 |
| 1 | 30pF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2 |
| 1 | FCR684208R | CliffElectronicComponents:FCR684208R | J2 |
| 1 | FCR684208T | CliffElectronicComponents:FCR684208T | J3 |
| 1 | PMOD (6 Pin) | Digilent:PMOD (6 Pin) | locked |
| 1 | SN74AHC126DR | TexasInstruments:SOIC_SN74AHC126DR | IC1 |
The 16 most common of 17 parts.
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Questions
How big is the Pmod optical PCB?
It measures 32 × 22 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Pmod optical use?
17 parts, built around the FCR684208R and FCR684208T. 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 Pmod optical KiCad files?
From the mdovey/pmod_optical repository on GitHub, at the commit this page was made from: the board is kicad/pmod_optical.kicad_pcb and its schematic kicad/pmod_optical.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Pmod optical 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).