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I touch the tv antenna and get a good picture. How do I duplicate that.

Discussion in 'Electronic Basics' started by meirman, Jul 6, 2003.

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  1. meirman

    meirman Guest

    I touch the tv antenna and get a good picture. How do I duplicate
    that?

    I've wondered about that for years, with many TVs. I think I tried
    connecting a capacitor between the rabbit ear and a group, or using a
    jumper to connect a soda pop can.

    Does anyone know?

    Meirman

    If emailing, please let me know whether
    or not you are posting the same letter.

    Change domain to erols.com, if necessary.
     
  2. Kasper

    Kasper Guest

    Hey

    my best guess are you are working af a big fine antenne.... i do not think
    the gnd connection have anything to do with it.... if it has, then try to
    gnd yor tv or antennecable in the schield
     
  3. dB

    dB Guest


    Your indoor antenna is obviously inadequate (as many, perhaps most, are).

    Use a proper, outdoor, antenna mounted as high as possible.
     
  4. dB

    dB Guest



    When you touch the antenna you are changing its characteristics,
    specifically its capacity, quite dramatically. To further complicate
    the issue, since your body is resistive, you are adding a lossy
    capacitor to the antenna system.

    If changing the position of the cable makes much difference I suspect
    that the cable is not well matched to the antenna - not uncommon.
     
  5. John Fields

    John Fields Guest

    ---
    What you're doing when you touch the antenna is increasing the amplitude
    of the signal going ito the TV. To duplicate that without a better
    antenna would require you to amplify the signal coming out of the
    antenna before sending it into the TV.

    http://www.citycom.gr/electronics/projects/antampl/tvamlifier_engl.htm
     
  6. N. Thornton

    N. Thornton Guest

    What a classic quote :)

    Regards, NT
     
  7. Si Ballenger

    Si Ballenger Guest

    We always use to put aluminum foil on the rabbit ears.
     
  8. John Fields

    John Fields Guest

     
  9. meirman

    meirman Guest

    In sci.electronics.basics on 7 Jul 2003 12:53:40 -0700
    (Rich Grise) posted:
    Just not worth the effort since I move it around,
    and the curiosity.

    I'll try some of these things, probably all of them. Thanks a lot.

    Meirman

    If emailing, please let me know whether
    or not you are posting the same letter.

    Change domain to erols.com, if necessary.
     
  10. meirman

    meirman Guest

    In sci.electronics.basics on 8 Jul 2003 14:16:21 -0700
    (N. Thornton) posted:
    And you have a great sense of humor.

    Meirman

    If emailing, please let me know whether
    or not you are posting the same letter.

    Change domain to erols.com, if necessary.
     
  11. N. Thornton

    N. Thornton Guest


    ty :)
     
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