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https://scholarbank.nus.edu.sg/handle/10635/80424
Title: | FDTD investigation of Quasi-TEM hybrid modes on microstrip lines | Authors: | Hum, P.J. Leong, M.S. |
Issue Date: | 2000 | 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 | URI: | http://scholarbank.nus.edu.sg/handle/10635/80424 | ISSN: | 09205071 |
Appears in Collections: | Staff Publications |
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