This article introduces the method of using R & S's latest level control probe NRP-Z28 / Z98 to connect the signal source to accurately generate calibrated RF and microwave signal power. A power divider is integrated inside the power probe. Through the accurate measurement of the power probe, the output power of the signal source can be accurately adjusted so that it is exactly equal to the required power value. Finally, the influence of gamma correction and S parameter correction on the uncertainty is analyzed.
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