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Ask an Expert Forum How exactly does an Fm transmitter work?
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  • fm
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How exactly does an Fm transmitter work?

magnus2112
magnus2112 over 11 years ago

Hi!

How exactly does an FM transmitter work? image

What does every single component do in the process? image

Please explane in detale..

Thanks for eny answer! image


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Top Replies

  • dougw
    dougw over 11 years ago +1 suggested
    Hi Magnus, FM (frequency modulation) simply means the transmitter output frequency is proportional to the amplitude of the input (modulating) signal. The larger or louder the input signal the higher the…
  • magnus2112
    magnus2112 over 11 years ago +1
    Thanks for the help! Found this simple circuit online
  • magnus2112
    magnus2112 over 11 years ago +1
    Thanks for the reply! I wil try making one Thanks for your help!
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  • D_Hersey
    0 D_Hersey over 11 years ago

    Radio Canada?  What is the intent of the station there?  What frequencies and modulation schemes do they employ?  WGN clear-channel AM is down by the mall, this seems way huger still!  Never saw the internals, told they have a vacuum triode the size of a school bus!  Did get to tour FermiLab, that's one of the biggest tubes of all.

     

    Next time I de-magnetize the Canada Tire money from my 'fridge and go on the road, I'ma goin' to NS, never been.

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  • michaelwylie
    0 michaelwylie over 11 years ago in reply to D_Hersey

    Yah, RCI (Radio Canada International). It was an international broadcasting/rebroadcasting station. I think I only saw AM when I was there, but I'm not sure of their capabilities. They picked the site because the ground was extremely salty and they could exploit it for transmissions. I believe they have stopped all shortwave comms from the site, and are using Internet now.

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  • michaelwylie
    0 michaelwylie over 11 years ago in reply to D_Hersey

    Yah, RCI (Radio Canada International). It was an international broadcasting/rebroadcasting station. I think I only saw AM when I was there, but I'm not sure of their capabilities. They picked the site because the ground was extremely salty and they could exploit it for transmissions. I believe they have stopped all shortwave comms from the site, and are using Internet now.

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