https://github.com/afiskon/hbr-mk2

All HF bands QRP CW/SSB transceiver
https://github.com/afiskon/hbr-mk2

amateur-radio cw diy electronics ham-radio morse-code radio si5351 ssb stm32 transceiver wireless

Last synced: 4 months ago
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All HF bands QRP CW/SSB transceiver

• Host: GitHub
• URL: https://github.com/afiskon/hbr-mk2
• Owner: afiskon
• License: mit
• Created: 2023-12-09T14:21:30.000Z (about 2 years ago)
• Default Branch: main
• Last Pushed: 2024-08-08T09:43:41.000Z (over 1 year ago)
• Last Synced: 2025-03-31T05:31:56.476Z (11 months ago)
• Topics: amateur-radio, cw, diy, electronics, ham-radio, morse-code, radio, si5351, ssb, stm32, transceiver, wireless
• Language: C
• Homepage: https://eax.me/hbr-mk2-transceiver/
• Size: 15.8 MB
• Stars: 62
• Watchers: 6
• Forks: 4
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

          
# HBR/MK2

![HBR/MK2](images/enclosure/front-panel.jpg)

All HF bands QRP CW/SSB transceiver "HomeBrew Radio, Mark 2".

* Covers 80, 40, 30, 20, 17, 15, 12 and 10 meters

* Classical single IF superheterodyne design

* Effective IF derived AGC

* Voice compression

* Supports RIT and XIT

* 10-30 WPM Elekey-B type keyer + straight key mode

* Keyer supports record and playback, programmable with paddles

* Five favorite frequencies per band (press NEXT/PREV in FAST mode)

* Class AB amplifier provides 5-10W in both CW and SSB

* Has a S-meter and a SWR meter

* Open-source firmware, schematic and 3D-printable enclosure

Links:

* Article (in Russian): https://eax.me/hbr-mk2-transceiver/

* Post on Hackaday: https://hackaday.com/2024/05/13/github-hosts-ham-radio/

* Post on DXZone: https://www.dxzone.com/hbr-mk2-hf-qrp-cw-ssb-transceiver/

* Video blog on YouTube: https://www.youtube.com/playlist?list=PL6CWlCy5akj5v1Z4mPysYlqgNtCBYy-wM

* Demo: https://www.youtube.com/watch?v=D7rNUXjIyPM