Ham Radio General Class Lesson 5.3, Radio’s Building Blocks

Here’s your video introduction to General Class Lesson 5.3, Radio’s Building Blocks, in the ARRL General Class License Manual for Ham Radio. The video starts with some extra material about why we use block diagrams in the first place. Then it goes through each of the four general building blocks in the lesson. I pay particular attention to the difference between PM and FM because the book isn’t particularly clear.

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