CHARACTERIZATION OF RADIATION LOSS FROM MICROSTRIP DISCONTINUITIES USING A MULTIPORT NETWORK MODELING APPROACH

被引:25
作者
SABBAN, A
GUPTA, KC
机构
[1] Dept of Electr & Comput Eng,, Univ of Colorado, Boulder, CO, USA
关键词
D O I
10.1109/22.76436
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
This paper presents a convenient method for evaluating radiation loss from microstrip discontinuities. The multiport network model is used to find voltage distributions around discontinuity edges, and an equivalent magnetic current model is used to compute the resulting radiation fields. As an example, the results show that for a 90-degrees bend in a 50-OMEGA line on a 10-mil-thick substrate with epsilon-r = 2.2, the radiation loss is 0.1 dB at 30 GHz. Typical power levels radiated by several other discontinuities are reported. The analysis model is verified experimentally by fabricating microstrip resonators with discontinuities incorporated therein and making measurement of Q factors of these resonators.
引用
收藏
页码:705 / 712
页数:8
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