Analysis and optimization of passive intermodulation in microwave coaxial cavity filters

被引：1
|
作者：
Cho, IK [1 ]
Kim, JT [1 ]
Jeong, MY [1 ]
Choy, TG [1 ]
Kang, YI [1 ]
机构：
[1] ETRI, Basic Res Lab, Taejon, South Korea
来源：
ETRI JOURNAL | 2003年 / 25卷 / 02期
关键词：
D O I：
10.4218/etrij.03.0102.0214
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 studied how the passive intermodulation (PIM) power arising in air cavity filters could be calculated and how the design of the filter could be optimized in order to reduce the amplitude of the PIM signal. To do this, using simulated results, we optimized the various parameters of a filter. PIM in an air cavity filter depends on the power dissipated in its cavities. A reduction of this power loss therefore decreases the PIM power in the air cavity filter. Our experimental results confirm that it is possible to design and produce air cavity filters that generate low PIM signals.
引用
收藏
页码：133 / 139
页数：7
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