Microstrip dispersion

Microstrip transmission lines used in microwave integrated circuits are dispersive. The dispersion of the lines is fully characterized by the frequency-dependent normalized phase velocity VP which is equal to the ratio of guide wavelength λ g to free-space wavelength λ 0 . An approximate equation is...

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Bibliographic Details
Published inProceedings of the IEEE Vol. 60; no. 1; pp. 144 - 146
Main Author Schneider, M.V.
Format Journal Article
LanguageEnglish
Published IEEE 01.01.1972
Subjects
Continuous time systems
Dispersion
Distributed parameter circuits
Equations
Frequency
Microstrip
Microwave integrated circuits
Sampling methods
Transmission line matrix methods
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Summary:Microstrip transmission lines used in microwave integrated circuits are dispersive. The dispersion of the lines is fully characterized by the frequency-dependent normalized phase velocity VP which is equal to the ratio of guide wavelength λ g to free-space wavelength λ 0 . An approximate equation is given for the normalized phase velocity VP and for the frequency-dependent line impedance Z for standard microstrip transmission lines. Comparison with available experimental data and computed data shows that the error of the approximation is less than 3 percent for microstrip transmission lines commonly used in engineering applications.
ISSN:0018-9219
1558-2256
DOI:10.1109/PROC.1972.8581