ANALYSIS OF LOSSY PLANAR TRANSMISSION-LINES BY USING A VECTOR FINITE-ELEMENT METHOD

被引:10
作者
ALAM, MS [1 ]
KOSHIBA, M [1 ]
HIRAYAMA, K [1 ]
HAYASHI, Y [1 ]
机构
[1] KITAMI INST TECHNOL, DEPT ELECT & ELECTR ENGN, KITAMI, HOKKAIDO 090, JAPAN
关键词
D O I
10.1109/22.466181
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
The vector finite element method with hybrid edge/nodal triangular elements is extended for the analysis of lossy planar transmission lines. In order to handle lossy conductor transmission lines, the present approach includes the effect of finite conductivity of a lossy area, and the dissipations in metallic conductors and dielectrics are calculated directly by considering a complex permittivity for the lossy region of interest. Propagation constant formulation is used in the FEM, which avoids spurious solutions absolutely and can handle sharp metal edges in inhomogeneous electromagnetic waveguides. Numerical examples are computed for microstrip lines, finlines, and triplate strip lines. The results obtained agree well with the earlier theoretical and experimental results, and thus show the validity of the method. Also, the current distributions on the lossy microstrip lines with finite strip thickness and isotropic substrates are presented.
引用
收藏
页码:2466 / 2471
页数:6
相关论文
共 22 条
[1]   ANALYSIS OF SHIELDED MICROSTRIP LINES WITH ARBITRARY METALLIZATION CROSS-SECTION USING A VECTOR FINITE-ELEMENT METHOD [J].
ALAM, MS ;
HIRAYAMA, K ;
HAYASHI, Y ;
KOSHIBA, M .
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 1994, 42 (11) :2112-2117
[2]   FINITE-ELEMENT ANALYSIS OF PROPAGATING, EVANESCENT, AND COMPLEX-MODES IN FINLINES [J].
ALAM, MS ;
HIRAYAMA, K ;
HAYASHI, Y ;
KOSHIBA, M .
IEE PROCEEDINGS-MICROWAVES ANTENNAS AND PROPAGATION, 1994, 141 (02) :65-69
[3]   A VECTOR FINITE-ELEMENT ANALYSIS OF COMPLEX-MODES IN SHIELDED MICROSTRIP LINES [J].
ALAM, MS ;
HIRAYAMA, K ;
HAYASHI, Y ;
KOSHIBA, M .
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 1993, 6 (16) :873-875
[4]  
Collin R., 1991, FIELD THEORY GUIDED
[5]   CLOSED-FORM FORMULAS FOR FREQUENCY-DEPENDENT RESISTANCE AND INDUCTANCE PER UNIT LENGTH OF MICROSTRIP AND STRIP TRANSMISSION-LINES [J].
DJORDJEVIC, AR ;
SARKAR, TK .
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 1994, 42 (02) :241-248
[6]  
HELAL M, 1994, IEEE MTT-S, P1041, DOI 10.1109/MWSYM.1994.335177
[7]   FULL-WAVE ANALYSIS USING A TANGENTIAL VECTOR FINITE-ELEMENT FORMULATION OF ARBITRARY CROSS-SECTION TRANSMISSION-LINES FOR MILLIMETER AND MICROWAVES APPLICATIONS [J].
HELAL, M ;
LEGIER, JF ;
PRIBETICH, P ;
KENNIS, P .
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 1994, 7 (09) :401-404
[8]   EDGE SHAPE EFFECTS AND QUASI-CLOSED FORM EXPRESSIONS FOR THE CONDUCTOR LOSS OF MICROSTRIP LINES [J].
HOLLOWAY, CL ;
KUESTER, EF .
RADIO SCIENCE, 1994, 29 (03) :539-559
[9]   NEW FORMULATION OF DYADIC GREEN-FUNCTION - APPLIED TO A MICROSTRIP LINE [J].
HOW, H ;
VITTORIA, C ;
FANG, TM .
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 1994, 42 (08) :1580-1582
[10]  
Kitazawa T., 1993, IEEE Microwave and Guided Wave Letters, V3, P211, DOI 10.1109/75.222778