An accurate experimental method for characterizing transmission lines embedded in multilayer printed circuit boards

We have developed an accurate method for measuring the complex propagation constant and characteristic impedance of transmission lines embedded in multilayer printed circuit boards. It is based on mathematical error-removal schemes using two different length transmission lines and an advanced via-ho...

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Bibliographic Details
Published in:IEEE transactions on advanced packaging 2006-02, Vol.29 (1), p.114-121
Main Authors: Narita, K., Kushta, T.
Format: Article
Language:English
Subjects:
Applied sciences
Approximation
Boards
Characteristic impedance
Coupling circuits
Discontinuity
Distributed parameter circuits
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Exact sciences and technology
Frequency
Frequency ranges
Impedance measurement
Mathematical analysis
Multilayers
Nonhomogeneous media
Printed circuits
Propagation constant
strip line
through holes
Transmission line discontinuities
Transmission line measurements
Transmission line theory
Transmission lines
vias
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Summary:We have developed an accurate method for measuring the complex propagation constant and characteristic impedance of transmission lines embedded in multilayer printed circuit boards. It is based on mathematical error-removal schemes using two different length transmission lines and an advanced via-hole structure that minimizes coupling. Consequently, associated errors, due to discontinuities and interference can be effectively eliminated, and the frequency dependencies of the transmission line parameters can be clarified in wide frequency bandwidths. We verified the validity of this method in frequency ranges up to at least 18 GHz, by comparing the determined values with the theory derived from transverse electromagnetic (TEM) approximations.
ISSN:1521-3323
1557-9980
DOI:10.1109/TADVP.2005.849543