How Do Modern Radios Work? Frequency Mixing and Superheterodyne Explained
This is an educational video that explains the operation of frequency mixing or superheterodyne in a comprehensive, but also hopefully simple way. This concept is key to all modern radio technology. Shortcuts: 0:00 Superhet definition 0:51 Defining Mixing Mathematically 2:51 Applications: Explaining Terms 3:41 Demo: Basic GRC Mixer 7:40 Applications: Block Diagram of Superhet Radio 8:15 Demo: Basic GRC Superhet Radio 13:15 Demo: Testing USB Reception 15:30 Demo: Receiving Other Stations 18:31 Conclusion and Summary GNURadio flowgraphs: https://drive.google.com/drive/folder...
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