Error analysis of microwave power measurement instruments

Wang Jianshu; Zheng Kun; Wang Honggang; Ge Xingjun; Yuan Chengwei; Li Jie

doi:10.11884/HPLPB201830.170455

Volume 30 Issue 6

Jun. 2018

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Article Navigation > High Power Laser and Particle Beams > 2018 > 30(6): 063006

Wang Jianshu, Zheng Kun, Wang Honggang, et al. Error analysis of microwave power measurement instruments[J]. High Power Laser and Particle Beams, 2018, 30: 063006. doi: 10.11884/HPLPB201830.170455

Citation:

Wang Jianshu, Zheng Kun, Wang Honggang, et al. Error analysis of microwave power measurement instruments[J]. High Power Laser and Particle Beams, 2018, 30: 063006. doi: 10.11884/HPLPB201830.170455

Wang Jianshu, Zheng Kun, Wang Honggang, et al. Error analysis of microwave power measurement instruments[J]. High Power Laser and Particle Beams, 2018, 30: 063006. doi: 10.11884/HPLPB201830.170455

Citation:

Wang Jianshu, Zheng Kun, Wang Honggang, et al. Error analysis of microwave power measurement instruments[J]. High Power Laser and Particle Beams, 2018, 30: 063006. doi: 10.11884/HPLPB201830.170455

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Error analysis of microwave power measurement instruments

doi: 10.11884/HPLPB201830.170455

College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China

Received Date: 2017-11-10
Rev Recd Date: 2018-02-24
Publish Date: 2018-06-15

Abstract

Abstract

Power meters, oscilloscopes, detectors, and vector network analyzers are commonly used in microwave measurements. The introduced errors by these instruments have direct impact on the measurement accuracy. In this paper, the measurement methods of power meters, oscilloscopes, detectors, and network analyzers are described, based on which the introduced errors by the typical measurement instruments under different measurement conditions are analyzed. The experiment results demonstrate that the measured power by the detectors is at most 0.4 dB bigger than that by the oscilloscope. The maximum difference of the measured power by the oscilloscope under different suppression bandwidths is 0.3 dB. The measured power by the vector network analyzer N9917A is 1 dB bigger than that by the analyzer AV3672 at 4 GHz with the attenuation of 60 dB.
- microwave measurement,
- power meter,
- oscilloscope,
- detector,
- vector network analyzer,
- error

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References(10)

References

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