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A Calibration Method Based on Scattering Parameters of the Artificial Mains Network(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2011年02期
Page:
4-8
Research Field:
Publishing date:

Info

Title:
A Calibration Method Based on Scattering Parameters of the Artificial Mains Network
Author(s):
Li Lin; Feng Zhiming; Zhao Pinzhang; Zhao Bo
Jiangsu Institute of Metrology,Nanjing 210007,China
Keywords:
line impedance stabilization network; parasitic parameter; S parameter; calibration
PACS:
TN03
DOI:
-
Abstract:
Because the artificial mains network( LISN) has a direct affect on the accuracy of test results on conducted EMI，this paper established a high-frequency parasitic parameters model and its equivalent circuit by analyzing LISN circuit topology，and analyzed its calibration parameters which include voltage division factor，isolation rejection ratio，coupling rejection ratio and EUT port impedance by using scattering parameter method． Theoretical and experimental results showed that high-frequency parasitic parameters had a great impact on EUT port impedance of LISN． By adding multiple 430 Ω compensation resistors in the inductance coil，the parameters were effectively improved and a theoretical basis was provided for its design．

References:

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Last Update: 2013-03-21