https://stream.echo6.co/videos/watch/35519ef7-702f-4f23-b1a9-1435c2a96d6e Trying an unfinished direct conversion transceiver with a wide-swing super-VXO (2 crystals in parallel). Receiver is RF amp + balanced mixer + audio premap + LM386 direct conversion. Transmitter has IRF510 final. No sidetone, RIT or frequency offset makes operation clunky. Also features a pile-up on 20m and the cacophany of a hundred stations calling. It demonstrates the open-ness of a direct conversion receiver with minimal filtering. PS: If you liked this video please consider supporting Amateur Radio VK3YE by: Subscribing on YouTube,, Checking my books page at https://books.vk3ye.com, Shopping on Amazon via: https://amzn.to/3iiDQXv, or, Shopping on eBay via: https://ebay.us/i9DuWP (then if you buy something I'll get a small commission at no cost to you) Sat, 09 May 2026 06:22:46 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/35519ef7-702f-4f23-b1a9-1435c2a96d6e All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.