afiskon / ayn-4b

Portable QRP CW Transceiver

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

ayn-4b's Issues

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