Crystal radio with a LAN cable antenna
Germanium radios are easy to make and don't require batteries, but winding the coil can be a pain.
So I made a germanium radio that uses a LAN cable or flat cable instead of a coil.
Even though it's such a simple radio, it can receive broadcasts indoors under good conditions.
Components Used
1. LAN Connectors (2): 7810-8P8C
2. Earphone Jack: PJ-316
3. Polyvaricap
4. Terminal Blocks (2)
5. Flat Cable 8P Terminals (2)
6. Single-Row 3P Terminals (2)
7. Single-Row 5P Terminal
The LAN cable used is approximately 3 m long, with two wraps.
The flat cable is approximately 4 m long, with two wraps.
For either cable, no connectors are required if directly connecting to the board.
For production details, please see the blog below.
Crystal radio with a LAN cable antenna
Project images are for reference only. Actual production is based on the manufacturing files on the project page.
Please review the designer's notes (e.g., PCB thickness) and select the appropriate options.
PCBWay is not responsible
for issues caused by unsuitable parameter selections.
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