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Recent content by cosmo19

  1. C

    Selective Crystal Oscillator

    Thank you very much, things are becomming much clearer now.
  2. C

    Selective Crystal Oscillator

    Many thanks for your reply Alright, I comprehended last night as I tried the circuit out empirically with a 27.195MHz crystal that the radiation of Harmonics is arbitrary! On my decent RF explorer I foound the 16th harmonic! I also understand all you mentioned concerning extra filter/...
  3. C

    Selective Crystal Oscillator

    Considering the following circuit, which I couldn't upload from my mobile, but its identical to this one here + a tank circuit between the collector and the VCC. **broken link removed** I am confused and can't understand how the tank circuit, which is open at resonance, and the transistor...

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