Another problem not solved.

Discussion in 'General Electronics Chat' started by vineo763, Aug 18, 2006.

  1. vineo763

    Thread Starter Member

    Aug 13, 2006
    12
    0
    How do you test the bandwidt of a cable?
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    Hi,

    You need a good signal generator and dummy load. The proceedure is to apply your RF to the cable, and increase the frequency until the internal capacitance and stray inductance of the cable has attenuated the signal by 3 dB.

    Most coax manufaxturers give a figure you can rely on.
     
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