A compact differential wideband bandpass filter with good out-of-band performance

被引：0
|
作者：
Kumar, Amit [1 ]
Ramkumar, S. [2 ]
Jhariya, Dharmendra K. [1 ]
机构：
[1] Natl Inst Technol, Dept Elect & Commun Engn, Delhi 110036, India
[2] Kumaraguru Coll Technol, Dept Elect & Commun Engn, Coimbatore, India
来源：
ELECTROMAGNETICS | 2025年
关键词：
Common mode; differential mode; microstrip filter; ultra-wideband bandpass; STOPBAND;
D O I：
10.1080/02726343.2025.2472074
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：
In this article, a compact resonator-loaded coupled line-based shaped differential wideband pass filter with good harmonic suppression for common mode is presented. It consists of four ports arranged in a watch-shaped configuration for differential mode of operation. To analyze the differential mode, circuit is divided into two-port networks along a symmetrical plane. This results in a stopband response under common mode excitation or a bandpass response under differential mode excitation. The length and width of the stubs can be optimized to observe the passband and stopband responses for the differential bandpass filter. A filter is then fabricated using substrate Roger5880, epsilon r = 2.2, and thickness (t) = 0.787 mm for experimental verification of the proposed technique.
引用
收藏
页数：12
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