[Amps] Measuring RF Power
Gary Schafer
garyschafer at comcast.net
Mon Mar 21 12:08:22 EST 2005
Tony King - W4ZT wrote:
> Harold B. Mandel wrote:
>
>
>><snip> PEP is different
>>than RMS, and RMS is different than Average. <snip>
>>
>>
>
> It may be worth mentioning that RMS is the usual method of defining a DC
> equivalent which, given a pure waveform, will be about the same as the
> average. With distorted waveforms RMS will not define the average
> properly.
It may also be worth mentioning that there really is no such thing as
"RMS power". The proper term is average power. RMS is only valid in
terms of voltage or current.
You can find an RMS value of power but it is not useful for anything.
73
Gary K4FMX
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