Compact balanced filter with high common mode suppression using hybrid microstrip and slotline spoof surface plasmon polaritons

被引:0
|
作者
Song, Yi [1 ]
Zhang, Anxue [1 ]
机构
[1] Xi An Jiao Tong Univ, Sch Informat & Commun Engn, Xian 710049, Peoples R China
来源
IEICE ELECTRONICS EXPRESS | 2023年 / 20卷 / 18期
关键词
balanced bandpass filter; spoof surface plasmon polaritons (SSPPs); compact size; odd mode; common mode (CM) suppression; INTEGRATED WAVE-GUIDE; HIGH-ORDER MODE; TRANSMISSION; PERFORMANCE;
D O I
10.1587/elex.20.20230323
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
Hybrid folded microstrip and slotline (HFMS) spoof surface plasmon polaritons (SSPPs) are developed to design a balanced bandpass filter (BPF). The proposed HFMS SSPPs can lower the upper cut-off frequency for size reduction of nearly 65%. Microstrip-to-slotline transition structure is adopted for feeding structure. Under differential mode (DM) operation, a band-pass response is formed by the high-pass microstrip-toslotline transition structure and low-pass SSPP structure. Under common mode (CM) operation, high CM suppression is achieved due to intrinsic CM rejection ability of microstrip-to-slotline transition structure. Finally, a balanced BPF with compact size and high CM suppression is fabricated, and measured.
引用
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页数:5
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