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Uploaded by RobR386 on Sep 6, 2008
this is the circuit diagram for cryatal radio in a box
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The circuit is powered by the incoming radio signal, from the antenna, for it to work properly a good earth connection is needed
RobR386 3 months ago
Should the variable capacitor be directly across the coil?
vk3ye 2 years ago
@vk3ye
well spotted, I put the diode in the wrong place, it should go after the variable capacitor
RobR386 1 year ago
And the power supply for these components comes from ... ?
Itsmeeman1 3 months ago
idiot!
cucurbitapepo76 6 months ago
How does this circuit work?
trailkeeper 1 year ago
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The circuit is powered by the incoming radio signal, from the antenna, for it to work properly a good earth connection is needed
RobR386 3 months ago
Should the variable capacitor be directly across the coil?
vk3ye 2 years ago
@vk3ye
well spotted, I put the diode in the wrong place, it should go after the variable capacitor
RobR386 1 year ago