Design model for broadside‐coupled suspended substrate stripline for microwave and millimeter‐wave applications | Zendy

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Design model for broadside‐coupled suspended substrate stripline for microwave and millimeter‐wave applications

Author(s) -

Kumar Raj

Publication year - 2004

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.20293

Subject(s) - stripline , broadside , microwave , extremely high frequency , substrate (aquarium) , electrical impedance , dielectric , characteristic impedance , materials science , equivalent circuit , electronic engineering , electrical engineering , engineering , acoustics , optoelectronics , physics , optics , telecommunications , voltage , oceanography , geology

Simple closed‐form expressions for the analysis of broadside coupled suspended substrate stripline is presented. The expressions are valid over a wide range of structural parameters and dielectric constants. The validity range of this expression for structural parameters is 1.0 ≤ ε r ≤ 30.0 (dielectric constant), 0.2 ≤ W/b ≤ 10.0 (strip width), and d/b ≤ 0.5 (substrate thickness). The average accuracies of the present expressions are <0.8% and <0.6% for even‐ and odd‐mode impedances, respectively. The maximum deviation is ±1.25% and ±1.16% for even‐ and odd‐mode impedances with respect to the reference values. This closed‐form model is useful for the interactive CAD analysis of microwave and millimeter‐wave circuit. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 42: 328–331, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20293

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