Crystal Radio-1 Cap, Variable Coupled FOLLOW-UP Fix?
Автор: tsbrownie
Загружено: 2025-06-10
Просмотров: 562
I did a hack job on the coil to see what would happen if the main coil of the radio from the previous video had been wound correctly.
In this video, we revisit a previous kit build to correct a factory coil wiring mistake and show how the right winding configuration improves selectivity and reduces cross-talk. Using the correct 80-turn / 34-turn coil layout from the original schematic, I re-tapped the coil, tested it on the scope, and demonstrated the difference in signal clarity, dead-air gaps, and station isolation. While still not matching the performance of my dual-wiper design, this corrected build offers better tuning, more precise coupling control, and cleaner reception for crystal radio experimenters who want to explore capacitor-coupled designs. Whether you’re a DIY electronics enthusiast, vintage radio fan, or someone curious about old-school radio tech, this follow-up offers practical tips, lessons learned, and honest performance comparisons so you can get the best out of your own projects.
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