PCB Variable Capacitor (Experience by Experiments)

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In this video we look at what a capacitor is and how we can make one with some basic PCB material, and talk about the value of doing experiments yourself, even when others have already carried them out.
  1. MiscDotGeek
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Now that is a great experiment! I've seen other hams on YT use paper tubes that slip inside one another. They were covered with aluminum foil. They used it to tune for something; they worked really well. I am glad you have a tester for capacitance, one of my next purchases hopefully. When I was in high school 50 years ago, a ham friend had a couple of giant used capacitors that he charged up and used to power his transistor radio - now that was 1960's fun.
Bob - W9PZ

robertlundstrom
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PCB cap will handle more power than that varicon...

grampysmagic