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LinHT - Linux-based, SDR handheld transceiver.
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Vlastimil Slinták 54589de294 Basic PCB outline and connector positions 
This is just a concept of the PCB layout. Work-in-progress
2025-07-14 12:31:58 +02:00
parts Added 3D model of the SRN6028 inductor series 2025-07-14 12:31:58 +02:00
photos added Retevis C62 mainboard's photos for reference 2025-07-10 18:02:33 +02:00
.gitignore Updated ignored files, removed fp-info-cache from the repository 2025-07-13 10:12:57 +02:00
audio.kicad_sch date, pdf plot 2025-07-13 22:15:21 +02:00
connectors.kicad_sch Updated MCM-iMX93 symbol in the schematics 2025-07-14 12:31:58 +02:00
display.kicad_sch date, pdf plot 2025-07-13 22:15:21 +02:00
fp-lib-table init push 2025-06-05 20:28:55 +02:00
keyboard.kicad_sch date, pdf plot 2025-07-13 22:15:21 +02:00
LICENSE.txt init push 2025-06-05 20:28:55 +02:00
linht-hw.kicad_pcb Basic PCB outline and connector positions 2025-07-14 12:31:58 +02:00
linht-hw.kicad_prl Changed PCB stackup from 2 to 4 layers 2025-07-14 12:31:58 +02:00
linht-hw.kicad_pro Added mechanical mounting holes 2025-07-14 12:31:58 +02:00
linht-hw.kicad_sch date, pdf plot 2025-07-13 22:15:21 +02:00
linht-hw.pdf date, pdf plot 2025-07-13 22:15:21 +02:00
mcm-imx93-pinout.md Added pinout for the som 2025-07-12 11:47:52 +02:00
mux.kicad_sch init push 2025-06-05 20:28:55 +02:00
power.kicad_sch date, pdf plot 2025-07-13 22:15:21 +02:00
README.md Update README.md 2025-07-12 12:15:45 +02:00
rf.kicad_sch date, pdf plot 2025-07-13 22:15:21 +02:00
soc.kicad_sch Updated MCM-iMX93 symbol in the schematics 2025-07-14 12:31:58 +02:00
sym-lib-table Added a new project library with the WM8960 audio codec 2025-07-10 22:12:59 +02:00

README.md

CC BY-NC-SA 4.0

LinHT-hw

Linux-based, SDR handheld transceiver. OpenHT successor with greatly simplified hardware - no FPGAs involved. This project offers a replacement board for the Retevis C62 radio, greatly expanding its capabilities.

Supported modes (so far):

  • M17 - transmission and reception,
  • TETRA - reception only,
  • Demo 64QAM transmission at 2Mbps

Other modes can be added later.

Hardware

Work in progress. The device will use a System on Module (SoM) running Linux. The RF transceiver used is Semtech SX1255.

Software

The Linux image will be published later.

License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

CC BY-NC-SA 4.0