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Variable Impedance in Measuring EMI Filter’s Insertion Loss

Jiří Dřínovský, J. Svačina, M. Zamazal, Tomáš Urbanec, J. Lacik

Open publisher page 5 citations

Abstract

This paper deals with problems concerning variable impedance of power lines in the measurement of insertion loss of EMI filters. A circuit which represents variable power line impedance was designed and was added into the normal measuring structure of EMI filters. This was applied to an asymmetrical and a non-symmetrical measurement technique. The design, structure of measurement and results obtained are explained in this paper.

About this research paper

What this paper is about

This paper deals with problems concerning variable impedance of power lines in the measurement of insertion loss of EMI filters. A circuit which represents variable power line impedance was designed and was added into the normal measuring structure of EMI filters. This was applied to an asymmetrical and a non-symmetrical measurement technique. The design, structure of measurement and results obtained are explained in this paper.

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OpenAlex reports 5 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

This paper deals with problems concerning variable impedance of power lines in the measurement of insertion loss of EMI filters. A circuit which represents variable power line impedance was designed and was added into the normal measuring structure of EMI filters. This was applied to an asymmetrical and a non-symmetrical measurement technique. The design, structure of measurement and results obtained are explained in this paper.

Key concepts: EMI, Insertion loss, Electrical impedance, Electromagnetic interference, Focused Impedance Measurement, Filter (signal processing), Electronic engineering, Variable (mathematics)

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