Signal frequency BFO demonstration скачать в хорошем качестве

Signal frequency BFO demonstration

When you want to receive CW/SSB signals on a CW receiver you add a BFO at the receiver's intermediate frequency - right? Well not necessarily. This video explains that with cheap receivers it's generally better to have the BFO operating at the received frequency (or a fraction of it). Signal frequency BFOs don't always cover all frequencies but they offer better frequency stability and easier tuning. Even if you have an older receiver with an IF BFO, switching that off and using a signal frequency BFO provides better reception, easier tuning and freedom from drift. And unlike an IF BFO, no connections to the receiver is necessary. This video shows a cheap portable receiver receiving DX signals in a recent contest on 40 metres. Contents 0:00 Introduction 0:18 The Signal Frequency BFO 0:56 Finding amateur bands on the receiver 1:59 Demonstration 8:37 Summary 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)