https://github.com/afiskon/hbr-8b
All HF bands QRP CW transceiver
https://github.com/afiskon/hbr-8b
amateur-radio cw diy electronics ham-radio morse-code qrp radio si5351 stm32 transceiver wireless
Last synced: 5 months ago
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All HF bands QRP CW transceiver
- Host: GitHub
- URL: https://github.com/afiskon/hbr-8b
- Owner: afiskon
- License: mit
- Created: 2022-12-24T20:35:11.000Z (over 2 years ago)
- Default Branch: main
- Last Pushed: 2024-01-08T17:07:50.000Z (over 1 year ago)
- Last Synced: 2024-11-05T11:41:59.463Z (6 months ago)
- Topics: amateur-radio, cw, diy, electronics, ham-radio, morse-code, qrp, radio, si5351, stm32, transceiver, wireless
- Language: C
- Homepage: https://eax.me/hbr-8b-transceiver/
- Size: 2.25 MB
- Stars: 8
- Watchers: 4
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# HBR/8B
All HF bands QRP CW transceiver. This is an improved version of [HBR/3B](https://github.com/afiskon/hbr-3b).
* Covers 80, 40, 30, 20, 17, 15, 12 and 10 meters
* Classical single IF superheterodyne design
* Has just a few barely hearable (~S0) spurious signals
* Simple but effective AGC
* Supports RIT and XIT
* 10-30 WPM Elekey-B type keyer + straight key mode
* Keyer supports record and playback, programmable with paddles
* ~5W class C power amplifier
* Has a S-meter and a SWR meter
* Open-source firmware, schematic and 3D-printable enclosure
Links:
* Article (in Russian): https://eax.me/hbr-8b-transceiver/
* Demo: https://www.youtube.com/watch?v=GlcS9r8nLz4