Tickle my whisker

MajorFubar

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Mar 3, 2010
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I had a Thomas Salter Science electronics set when I was a kid. One of the projects was making a 'crystal' radio using the diode and the variable capacitor. It actually worked! Unfortunately one of the projects further on in the instruction book demonstrated how wiring a diode the wrong way round blocked the current flow. What they didn't explain is it also blew the diode.
 

busb

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Jun 14, 2011
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The best or certainly the most interesting design for an xtal set involved a centre-tapped coil with a dual ganged variable cap & 2 diodes for double the output - sweeet. As for the sets I built - I cheated by using Germanium dioades rather than making up my own ones.
 

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