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Recent content by Eliphas Levi

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    Simple oscillator or frequency doubler??

    First of all, sorry for the delay. Secondly, in reply to your question, I was thinking of using a frequency of around 34 MHz, restricted by availability of components (0.22 uH and 100 pF in series). The deviation I think would be 10 kHz and the modulating signal for now will be a square wave...
  2. E

    Simple oscillator or frequency doubler??

    So lets say I generate a carrier signal with very little signal "drive" and a message signal with a high signal "drive" would it effect the modulation process if I try to modulate signals with mismatched signal "drives"? Or do I have to increase the drive of the carrier signal before giving it...
  3. E

    Simple oscillator or frequency doubler??

    @ E-design :- That thread was very good, it answered many questions I was struggling with and also many which I did not yet have. @ betwixt :- I will be following your advice and using a tank circuit with a varicap and a PLL for stability. Although I did not yet understand the part about...
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    Simple oscillator or frequency doubler??

    Wow! Those were invaluable inputs, I think I understand the circuit a lot better now. I am actually working at making a simple wireless communication module and this was the first step, to produce the carrier frequency using a resonator or a tank circuit. If I wanted to use the oscillations...
  5. E

    Simple oscillator or frequency doubler??

    @ chuckey - This is how the resonator looks, I do understand that you asked for specs but the thing is, I got it from an electronics shop here and the guy selling those is never really in the "I am your friend" mode, so here we just buy a part and make do any way we can. From what is written on...
  6. E

    Simple oscillator or frequency doubler??

    Well, hello to one and all. This being my first post I face a dilemma whether to add more pleasantries or get right down to business, I choose the latter and please correct me if I have been found wanting. The above circuit is an oscillator which I picked up on the internet and used. All seemed...

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