PC interference

Discussion in 'General Electronics Chat' started by mik3ca, Feb 27, 2008.

  1. mik3ca

    Thread Starter Active Member

    Feb 11, 2007
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    I was just wondering if there is a way to remove interference that my PC is causing to my regenerative receiver.

    I have my receiver directly connected to my PC through speaker wire because I want to hear the audio through my PC.

    Is it all the matter of the output filtering? or is it more involved?
     
  2. mik3

    Senior Member

    Feb 4, 2008
    4,846
    63
    What kind of interference are you talking about?
     
  3. mik3ca

    Thread Starter Active Member

    Feb 11, 2007
    189
    0
    weird high-pitched sounds from my PC.

    It happens when I type on the keyboard, or when I use my touchpad. and my PC is a laptop.
     
  4. mik3

    Senior Member

    Feb 4, 2008
    4,846
    63
    I am not very good with aerials try to put the receiver a bit far from the pc
     
  5. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    One of the joys of wide-open receivers is that every bit of RF manages to creep in. The ability to sharply tune (selectivity) is what makes single station listening possible. Superregen's just don't have the ability.
     
  6. Audioguru

    New Member

    Dec 20, 2007
    9,411
    896
    A super-regen radio has an AM detector. Most interference is AM. The super-regen also creates AM interference at its operating frequency.

    An FM detector in an FM radio doesn't pickup AM interference.
     
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