Quasi-static conductor loss calculations in transmission lines using a new conformal mapping technique

Quasi-static conductor loss calculations in transmission lines using a new conformal mapping technique

A new approximation technique to find the total series impedance per unit length for quasi-TEM transmission lines including conductor loss has been developed. It is shown through the use of conformal mapping that both frequency dependent skin-depth and proximity effects can be accurately modeled. Co...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 1994-09, Vol.42 (9), p.1807-1815
Hauptverfasser: Tuncer, E., Beom-Taek Lee, Islam, M.S., Neikirk, D.P.
Format: Artikel
Sprache:eng
Schlagworte:
Conductors
Conformal mapping
Coplanar transmission lines
Frequency dependence
Impedance
Propagation losses
Proximity effect
Strips
Transmission line measurements
Transmission lines
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Zusammenfassung:A new approximation technique to find the total series impedance per unit length for quasi-TEM transmission lines including conductor loss has been developed. It is shown through the use of conformal mapping that both frequency dependent skin-depth and proximity effects can be accurately modeled. Comparison between experimental measurements and calculations for twin-lead, coplanar strips, parallel square bars, and coplanar waveguide all show excellent agreement. This technique is easily generalized to any transmission line making use of polygonal cross-section conductors.< >
ISSN:0018-9480
1557-9670
DOI:10.1109/22.310592