A note on the modeling of transmission-line losses

被引：6

作者：

Djordjevic, AR ^{[1
]}

Zajic, A

Tosic, DV

Hoang, T

机构：

[1] Univ Belgrade, Sch Elect Engn, YU-11120 Belgrade, Serbia

[2] AIMTA Inc, Fremont, CA 94538 USA

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2003年 / 51卷 / 02期

关键词：

circuit simulation; distributed parameter circuits; lossy circuits; modeling; simulation software; transmission-line theory;

D O I：

10.1109/TMTT.2002.807825

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：

We consider uniform lossy transmission lines characterized by their primary parameters. Exact and approximate formulas for the characteristic impedance and propagation coefficient are reviewed and discussed for low-loss lines. Approximating the characteristic impedance by its real part can lead to erroneous results for the input impedance of short- and open-circuited stubs. This problem is analytically demonstrated on electrically short stubs. Results obtained using the exact and approximate expressions are compared with numerical solutions that are generated by various circuit simulation software.

引用

页码：483 / 486

页数：4

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