https://stream.echo6.co/videos/watch/b3ce5904-b403-43e3-ad73-d64776b24aac Just 6 components in a ring modulator circuit can mix your audio to give various crazy effects. And radio hams can use it to invert sidebands to convert USB to LSB and vice versa. Find out more here! Info on the TL431 audio amp here: https://www.youtube.com/watch?v=_zS597eqL-g 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) Wed, 15 Apr 2026 09:48:48 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/b3ce5904-b403-43e3-ad73-d64776b24aac 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.