https://github.com/afiskon/ayn-4b
Portable QRP CW Transceiver
https://github.com/afiskon/ayn-4b
amateur-radio diy electronics ham-radio morse-code qrp radio si5351 stm32 transceiver wireless
Last synced: 11 months ago
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Portable QRP CW Transceiver
- Host: GitHub
- URL: https://github.com/afiskon/ayn-4b
- Owner: afiskon
- License: mit
- Created: 2023-03-12T16:26:26.000Z (about 3 years ago)
- Default Branch: main
- Last Pushed: 2024-09-02T17:11:23.000Z (almost 2 years ago)
- Last Synced: 2025-05-07T02:48:35.025Z (about 1 year ago)
- Topics: amateur-radio, diy, electronics, ham-radio, morse-code, qrp, radio, si5351, stm32, transceiver, wireless
- Language: C
- Homepage: https://eax.me/ayn-4b-transceiver/
- Size: 1.48 MB
- Stars: 4
- Watchers: 3
- Forks: 2
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# AYN/4B
Portable QRP CW Transceiver
* Covers 40, 30, 20 and 17 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 D power amplifier
* Has a VCC indicator and a SWR meter
* PCB is designed to fit into Hammond 1590BB enclosure
* The project is 100% open-source
Links:
* Article (in Russian): https://eax.me/ayn-4b-transceiver/
* Demo: https://www.youtube.com/watch?v=IM0qo4IA7QQ
* Fork by Kirill, R2AXZ with CMake support: https://github.com/r2axz/ayn-4b