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DIY Crystal Radio - Capacitive Tuning

Aug 28th 2017, 05:14


Joined: Apr 4th 1998, 00:00
Total Topics: 0
Total Posts: 0
I found a 1997 ARRL article on a capacitor tuned crystal radio. I've tried many of these and none worked. I started with this design and modified it for both looks and function (new earphones require a change, different coil design). It works very well. You can tune in even very faint stations with little to no cross-talk. This is a link to the video I made about its construction. It includes the circuit diagram.

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