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Leakage Loss Analysis of Conductor Backed Coplanar Waveguide with Air-Gap-Spacing Dielectric Sheets
Masashi HOTTA Tomoyuki INOUE Masahiro KOBAYASHI Mitsuo HANO
IEICE TRANSACTIONS on Electronics
Publication Date: 2002/07/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Microwaves, Millimeter-Waves
conductor backed CPW, leakage loss, FDTD, dielectric sheets, air-gap-spacing (AGS),
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Leakage loss of Conductor Backed Coplanar Waveguide (CBCPW) with air-gap-spacing (AGS) dielectric sheets has been analyzed by using the hybrid 2D-FDTD Method and curve-fitting procedure. From numerical results, the proposed CBCPW with AGS dielectric sheets shows even lower leakage loss characteristics than those of conventional and double-layered one over a wide range of operating frequency. Furthermore, the possibility of the optimum air-gap width for leakage loss has been confirmed.