12AU7 regenerative receiver

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I built a 12AU7 regen receiver using parts from my junk box.
It is working, but I plan to add a few more refinements such as an antenna trimmer capacitor and a bandspread capacitor.
  1. WE6Z
  2. ham
  3. ham radio
  4. regen
  5. regenerative
  6. receiver
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I built mine using a homemade 5 uh coil form inductance calculator website, wound an am coil for the AM broadcast band. Can't seem to hear anything on shortwave, but confirmed it works by using my other shortwave radio by listening for the oscillator signal from that radio on this. It works perfect on AM broadcast. Maybe I'll try using my active antenna, my long wire antenna is probably not high enough. Good project, thanks for posting.

TheCubbyman
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Superb and simple. Did you wind the coil or it's ready made? It looks like a modified version of the Radio Ace Kit.

TheCubbyman