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HOW DOES MATCH AFFECT MY POWER MEASUREMENT?

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When power sensors are designed, attempts are made to produce the lowest VSWR (SWR) so that the user will have the best match when they use it. However match is never perfect because no device including any power sensor has a perfect SWR. For this reason, two power sensors of equal quality and calibration will read differently in a user’s system. In this brief, we’ll take a look at the reasons for this along with ways to achieve the best power measurements.