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A Wideband Differential BPF with Multiple Differential- and Common-Mode Transmission Zeros Using Cross-Shaped Resonator
Wang H.1; Gao L.-M.3; Tam K.-W.2; Kang W.4; Wu W.4
2014-12-01
Source PublicationIEEE Microwave and Wireless Components Letters
ISSN15311309
Volume24Issue:12Pages:854-856
Abstract

Wideband differential bandpass filter (BPF) with multiple differential-mode (DM) and common-mode (CM) transmission zeros (TZs) is presented in this letter. This filter is designed based on Cross-Shaped Resonator (CSR) alone that is intrinsically attributed by three DM transmission poles (TPs), four DM TZs and one CM TZ. Adding loaded coupled structures, two extra DM and CM TZs are generated respectively. A prototype differential BPF centered at 3.5 GHz with 40% fractional bandwidth (FBW) is designed and experimentally characterized. The experimental results are in good agreement with theoretical and simulated results. Allocating three CM TZs in the DM passband, the suppression is better than 40 dB in average, and the maximum rejection is as high as 80 dB, while the DM passband is sharpened by two extra DM TZs.

KeywordBalanced Bandpass Filter (Bpf) Common-mode (Cm) Rejection Coupled Lines Cross-shaped Resonator (Csr)
DOI10.1109/LMWC.2014.2363292
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000345903500012
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Cited Times [WOS]:16   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.28th Research Institute of CETC
2.Universidade de Macau
3.Nanjing Medical University
4.Nanjing University of Science and Technology
Recommended Citation
GB/T 7714
Wang H.,Gao L.-M.,Tam K.-W.,et al. A Wideband Differential BPF with Multiple Differential- and Common-Mode Transmission Zeros Using Cross-Shaped Resonator[J]. IEEE Microwave and Wireless Components Letters,2014,24(12):854-856.
APA Wang H.,Gao L.-M.,Tam K.-W.,Kang W.,&Wu W..(2014).A Wideband Differential BPF with Multiple Differential- and Common-Mode Transmission Zeros Using Cross-Shaped Resonator.IEEE Microwave and Wireless Components Letters,24(12),854-856.
MLA Wang H.,et al."A Wideband Differential BPF with Multiple Differential- and Common-Mode Transmission Zeros Using Cross-Shaped Resonator".IEEE Microwave and Wireless Components Letters 24.12(2014):854-856.
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