Measuring impedances of DC-biased inductors by using vector network analyzers

Authors

  • Deniss Stepins Riga Technical University
  • G. Asmanis Riga Technical University
  • A. Asmanis Riga Technical University
  • L. Ribickis Riga Technical University

Abstract

This paper is devoted to a detailed experimentally based analysis of applicability of vector network analyzers for measuring impedance of surface mount inductors with and without DC bias. The measurements are made using custom-made bias tees and a test fixture with an ordinary vector network analyzer. The main attention in the analysis is focused on measurement accuracy of an impedance of surface mount inductors. Measurement results obtained with a vector network analyzer will also be compared to those obtained by using an impedance analyzer based on auto-balancing bridge method. 

 

Author Biography

Deniss Stepins, Riga Technical University

   Deniss Stepins received the B.S., M.S. (with honors) and PhD. degrees in electronics from Riga Technical University, Riga, Latvia, in 2004, 2006 and 2011, respectively. Since 2004 he has been with the Institute of Radio Electronics, Riga Technical University, where he is currently a senior researcher and assistant professor. His research interests include electromagnetic compatibility, low power converters, power factor correction, control of switch-mode power supplies, electronic components, sensors and transducers. He is an author or co author of more than 40 research papers.

   D. Stepins serves as a reviewer for two prestigious journals: IEEE Transactions on Power Electronics and IEEE Transactions on Industrial Electronics. He is a member of many IEEE societies.

References

Testing Chokes and Transformers with High-Current DC Bias. https://www.voltech.com/Articles/104-160/2_The_Effect_of_DC_Bias_ on_Inductance_Measurements

K. Okada and T. Sekino. Impedance Measurement Handbook. Agilent Technologies, 2006.

Ultra Low Impedance Measurements Using 2-Port Measurements. Agilent Application Note, 2004.

R. Dosoudil, „Determination of permeability from impedance measurement using vector network analyzer,” Journal of electrical engineering, vol. 63, No.7, pp. 97-101, Oct. 2012.

William B. Kuhn, Adam P. Boutz, "Measuring and reporting high quality factors of inductors using vector network analyzers," IEEE Transactions on Microwave Theory and Techniques, vol.58, No.4, pp. 1046-1055, Apr. 2010.

D. Stepins, G. Asmanis, A. Asmanis, “Measuring Capacitor Parameters Using Vector Network Analyzers,” Electronics, vol.18, no.1, pp.29-38, June 2014.

C.J. Žlebic, D.R. Kljajic, N.V. Blaž, L.D. Živanov, A.B. Menicanin, and M.S. Damnjanovic, “Influence of DC Bias on the Electrical Characteristics of SMD Inductors,” IEEE Transactions on Magnetics, vol.51, no.1, pp. 1-4, Jan. 2015.

Keysight Technologies E4990A Impedance Analyzer datasheet.

Keysight 16047E Test Fixture Operation and Service Manual.

De-embedding and Embedding S-Parameter Networks Using a Vector Network Analyzer. Agilent application note 1364-1.

Vector Network Analyzer Family ZVR datasheet. Rohde and Schwarz.

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Published

2024-04-19

Issue

Vol. 65 No. 3 (2019)

Section

Metrology, Measurement Science

License

Copyright (c) 2019 International Journal of Electronics and Telecommunications

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