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  1. N

    simple HF Signal

    Didn't work. I'm sure the issue is the coil.
  2. N

    simple HF Signal

    Dear friends. I built it,took my radio switched to 90Mhz.But nothing happened. I think I have an issue with the size/diameter of the coil. "then tune your transmitter to match." Where I do that? reducing the 6turn coil?how much I need?. Thanks.
  3. N

    simple HF Signal

    Dear Dave. I need to build it. Thanks. PS:90Mhz is the number 1 rap radio in France,I don't want to spoil it.
  4. N

    simple HF Signal

    Dear Dave. You are right!..interferences.I need less than 90. "The frequency is determined by the 6 turn coil. By moving the turns together, the frequency will decrease. The circuit transmits at 90Mhz. It has a very poor range and consumes 16mA". Now I need to build a receiver,maybe a 80 or...
  5. N

    simple HF Signal

    Dear Dave. Someone just told me it won't work with it. I just found out this,I will build it. Apparently it's a 90MHz transmitter. But I can't find any 90MHz receiver. Can you help me please. Thanks.
  6. N

    simple HF Signal

    Hello all. I'm learning how HF signals work. I just want an emitter who sends a wave (30mhz)to a receiver. So I wanted to know if my schema is right. And how to make the receiver part please?. Thank you all.
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