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FT100 cable to aerial plug

Discussion in 'Cables & Switches' started by kinster, Jan 21, 2005.

  1. kinster

    kinster
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    Hi

    Could someone show me how to fit a FT100 cable to an aerial plug? After crimping do you just stick the middle bit into the middle of the aerial plug?

    [​IMG]

    [​IMG]

    Thanks
     
  2. Nick_UK

    Nick_UK
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    When you screw the connector up, the claws should bite into the outer sheathing. Ideally, the centre should be soldered, but because the insulation of the centre pin is polythene, it melts very easily. Crimping of the centre pin is an alternative, but has to be done carefully, because it's easily damaged. One trick you can do is to bend the inner very slightly at the end, and this makes it make a better connection to the inner pin.
     
  3. kinster

    kinster
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    do I just chop the end so it is only showing the centre pin? or do i chop it so it is like the pic above?

    Thanks
     
  4. Nick_UK

    Nick_UK
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    What I do is to unpick the outer braiding, and fold it back over the outer insulation, so the outer jaws clamp better. Then, allow about a quarter of an inch of inner insulation to prevent the inner shorting to the outer, then strip back the rest of the inner to expose about an inch of the inner cable. If the inner is too long, you can snip it off after fitting the plug. It takes a little practice to get right, but both the inner and outer parts of the cable must make contact with the inner and outer parts of the plug, and there must be no short-circuits between the inner and outer.
     
  5. kinster

    kinster
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    do I fold back the silver piece (as in the pic) or just the copper braids?

    Thanks
     
  6. Nick_UK

    Nick_UK
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    It doesn't really matter. The foil usually rips anyway.
     
  7. kinster

    kinster
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    yeah and the copper braids likes to fall off as well ;)
     
  8. Peridot

    Peridot
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    Personally, I prefer to terminate the cable with an 'F Plug', as used on cable / satellite receivers etc.

    This screws onto the cable after you have folded back the braid, leving the centre core of the cable to act as the centre 'pin' of the connector. You can then use an adaptor to convert the connector to the standard 'RF' type you need.

    The plugs and adaptors are available from B&Q etc.

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    Dermot
     

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