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What is the composite power of multiple RF signals?

  1. Jul 15, 2017 #1
    I need to calculate the composite power at the input of an RF distribution system, is it just the sum of the signals in milliwatts at the input? I can measure each individual signal with an a spectrum analyser but I do not have a power meter to anable measurement of the total power.
  2. jcsd
  3. Jul 15, 2017 #2


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    Yes. I presume the signals are incoherent eg different frequencies, so they add on a power basis. Do not add them in decibels.
  4. Jul 15, 2017 #3
    Thanks for the confirmation tech99.
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