A rapid method for measuring the transfer impedance of connectors

F.B.M. Horck, van, A.P.J. Deursen, van, P.C.T. Laan, van der, P.R. Bruins, B.L.F. Paagman

Research output: Contribution to journalArticleAcademicpeer-review

8 Citations (Scopus)
2 Downloads (Pure)


An inexpensive, simple, and sensitive workbench setup has been developed to determine the transfer impedance Z/sub t/ of shielded connectors. The injection current is measured by an inductive sensor integrated in the setup. The induced voltage is determined by a spectrum/network analyzer. The overall sensitivity is 3 muOmega or better; the frequency range is up to 1 GHz. No special calibration samples are needed. As a demonstration the Z/sub t/ is measured for both a coaxial tube with a small hole in the shield which provides a mutual inductance of 0.1 pH. Improvements in the design of the shield of a telecommunication connector are presented. Results for some common connectors are given; the transfer impedances for these connectors ranges from 1 mOmega to more than 100 mOmega at 1 GHz
Original languageEnglish
Pages (from-to)193-200
Number of pages8
JournalIEEE Transactions on Electromagnetic Compatibility
Issue number3
Publication statusPublished - 1998


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