Parameter measurement of passive integrator

Wei Bing; Zhang Yuanjun; Kang Junjun; Guo Fan; Xu Le

doi:10.11884/HPLPB202537.240267

Volume 37 Issue 3

Feb. 2025

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Wei Bing, Zhang Yuanjun, Kang Junjun, et al. Parameter measurement of passive integrator[J]. High Power Laser and Particle Beams, 2025, 37: 035019. doi: 10.11884/HPLPB202537.240267

Citation:

Wei Bing, Zhang Yuanjun, Kang Junjun, et al. Parameter measurement of passive integrator[J]. High Power Laser and Particle Beams, 2025, 37: 035019. doi: 10.11884/HPLPB202537.240267

Wei Bing, Zhang Yuanjun, Kang Junjun, et al. Parameter measurement of passive integrator[J]. High Power Laser and Particle Beams, 2025, 37: 035019. doi: 10.11884/HPLPB202537.240267

Citation:

Wei Bing, Zhang Yuanjun, Kang Junjun, et al. Parameter measurement of passive integrator[J]. High Power Laser and Particle Beams, 2025, 37: 035019. doi: 10.11884/HPLPB202537.240267

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Parameter measurement of passive integrator

doi: 10.11884/HPLPB202537.240267

Key Laboratory of Pulsed Power, Institute of Fluid Physics, CAEP, Mianyang 621999, China

Received Date: 2024-08-18
Accepted Date: 2025-02-10
Rev Recd Date: 2025-02-10

Available Online: 2025-03-07

Publish Date: 2025-03-15

Abstract

Abstract

To obtain the actual bandwidth and RC time constant of the passive integrator, the frequency characteristics of the integrator under 1 MΩ load are measured by using an active high impedance probe and a network analyzer. The simulation results show that the low frequency inflection point of integrator with 1 MΩ load is much lower than that of integrator with 50 Ω load, and the measured results are consistent with the simulation results. The measured results show that the high frequency band of the integrator frequency characteristic deviates from the theoretical trend of linear attenuation inversely proportional to the frequency, which is related to the spurious parameters of the actual circuit. The upper frequency limit of the integrator is determined by transforming the ordinate, and the working bandwidth of the integrator can be obtained by combining the calculated low frequency results. The RC constant is calculated by using the amplitude-frequency characteristic formula of integrator combined with the frequency sweep measurement results, which is simple and has less uncertainty.
- passive integrator,
- high voltage pulse,
- measurement,
- frequency response,
- calibration

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References(15)

References

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