TESLA_COIL_SECONDARY_RECEIVER

Published:2009/7/17 3:36:00 Author:Jessie | From:SeekIC

Here's a Tesla-coil secondary to try: Wind 750 turns of 24-gauge enameled magnet wire onto an 18 long piece of 1.9 outer-diameter PVC pipe. The large coil has an inductance of about 2800 mH, with a self-capacitance of about 20 pF. One end of the coil should be earth grounded. Put a metal ball (a drawer pull knob or doorknob) at the other end. Now attach it to a crystal radio.The RF is detected by a 1N34 germanium diode, D1, and you will note that signal strength is high. What you should hear is one or possibly several AM radio stations, depending on the coil, the radio frequencies in your area, and distance to the transmitter(s).



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