Conformal mapping of the field and charge distributions in multilayered substrate CPW's

被引:124
作者
Carlsson, E [1 ]
Gevorgian, S
机构
[1] Ericsson Microwave Syst AB, Molndal, Sweden
[2] Chalmers Univ Technol, Dept Microwave Technol, S-41296 Gothenburg, Sweden
关键词
D O I
10.1109/22.780407
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Conformal mapping (CM) and partial capacitance techniques are used for analytical evaluation of charge/current and electric- and magnetic-field distributions in a multilayered substrate coplanar waveguide (CPW) in the quasi-TEN approximation, The results, compared with finite-element method simulations, show that the magnetic wall assumed at the dielectric/dielectric interfaces in CM is a good approximation for many practical cases. The method is applied to a CPW with a thin ferroelectric film used in tunable microwave devices.
引用
收藏
页码:1544 / 1552
页数:9
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