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|Title:||FDTD investigation of Quasi-TEM hybrid modes on microstrip lines|
|Citation:||Hum, P.J.,Leong, M.S. (2000). FDTD investigation of Quasi-TEM hybrid modes on microstrip lines. Journal of Electromagnetic Waves and Applications 14 (10) : 1383-1393. ScholarBank@NUS Repository.|
|Abstract:||The inhomogeneous dielectric configuration of the microstrip line supports only Quasi-TEM hybrid modes. The mode-coupling efficiency between the longitudinal section electric (LSE) and longitudinal section magnetic (LSM) modes increases with frequency. Microstrip circuits can be analyzed assuming TEM modes but only below a frequency fstat. Theoretical formulas predict that undesirably strong coupling between the Quasi-TEM and TM0 modes, and the onset of the lowest-order surface wave TE0 mode occur at frequencies fTEM and fc,TE(0), respectively. In this paper, the full-wave FDTD method shows the existence of the longitudinal field components, and verifies to a certain extent the validity of the operating frequency range as predicted by the theoretical formulas.|
|Source Title:||Journal of Electromagnetic Waves and Applications|
|Appears in Collections:||Staff Publications|
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