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Radio hiss. Power Supply?

Discussion in 'Electronic Basics' started by W. eWatson, Apr 7, 2013.

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  1. W. eWatson

    W. eWatson Guest

    I have a Sonido radio by Sangean. To listen to distant radio stations, I
    use my PC in the den, and pick up the signal from our bedroom. The
    signal is sent from the PC via a CCrane xmiter. Sometimes the signal is
    so noisy I have to put the radio on the floor flat on its back to get
    something decent. Last night I had this problem, but decided to take out
    the wall wart. Instantly, the noise went away and the program could
    easily be heard. When I listen to local stations, there is little noise.
    I suppose the wall wart as it at fault. Comments?
     
  2. ehsjr

    ehsjr Guest

    Some wall warts contain cheap switch mode power supplies
    notorious for electrical noise. You need a better power supply.

    Ed
     
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