Design of Low-Loss Coaxial Cavity Bandpass Filter with Post-Manufacturing Tuning Capabilities

被引：0
|
作者：
Zakaria, Z. [1 ]
Sabah, A. [1 ]
Sam, W. Y. [1 ]
机构：
[1] Univ Teknikal Malaysia Melaka UTeM, Fac Elect & Comp Engn, Dept Telecommun Engn, Hang Tuah Jaya 76100, Durian Tunggal, Malaysia
来源：
IEEE SYMPOSIUM ON BUSINESS, ENGINEERING AND INDUSTRIAL APPLICATIONS (ISBEIA 2012) | 2012年
关键词：
Microwave Filters; Coaxial Filters; Combline Filters;
D O I：
暂无
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 low-loss of coaxial cavity bandpass filter with post-manufacturing tuning capabilities. A systematic filter development using the lowpass prototype as a starting point to produce 4th degreeChebyshevbandpass response is demonstrated. The coaxial cavity filter based upon TEM mode of propagation has the center frequency of 2.5 GHz and bandwidth of 168MHz. The insertion loss of 0.15 dB insertion loss and return loss better than 15 dB areobtained particularly in the passband. This type of microwave filter would be useful in any microwave systems where the low insertion loss and high selectivity are crucial, such as in a base station, radar and satellite transceivers.
引用
收藏
页码：733 / 736
页数：4
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