High Selectivity In-Line Topology Dual-Band Filters Based on Direct Synthesis Approach

2019 ◽  
Author(s):  
Yuxing He ◽  
Zhewang Ma ◽  
Nobuyuki Yoshikawa
Keyword(s):  
High Selectivity ◽  
Direct Synthesis ◽  
Dual Band ◽  
Synthesis Approach

scholarly journals Advanced Direct Synthesis Approach for High Selectivity In-Line Topology Filters Comprising $N$ - 1 Adjacent Frequency-Variant Couplings

IEEE Access ◽  
2019 ◽  
Vol 7 ◽  
pp. 41659-41668 ◽  
Author(s):  
Yuxing He ◽  
Giuseppe Macchiarella ◽  
Zhewang Ma ◽  
Liguo Sun ◽  
Nobuyuki Yoshikawa
Keyword(s):  
High Selectivity ◽  
Direct Synthesis ◽  
Synthesis Approach

Dual-Band, Differentially-Fed Filtenna with Wide Bandwidth, High Selectivity and Low Cross-Polarization

2022 ◽  
pp. 1-1
Author(s):  
Dajiang Li ◽  
Ming-Chun Tang ◽  
Yang Wang ◽  
Kun-Zhi Hu ◽  
Richard W. Ziolkowski
Keyword(s):  
High Selectivity ◽  
Dual Band ◽  
Cross Polarization ◽  
Wide Bandwidth

Polynuclear Heterometallic Complexes from Metal Powders: The “Direct Synthesis” Approach

2014 ◽  
Vol 2014 (27) ◽  
pp. 4496-4517 ◽  
Author(s):  
Dmytro S. Nesterov ◽  
Oksana V. Nesterova ◽  
Vladimir N. Kokozay ◽  
Armando J. L. Pombeiro
Keyword(s):  
Direct Synthesis ◽  
Heterometallic Complexes ◽  
Metal Powders ◽  
Synthesis Approach

Dual-mode resonator filter with improved feed-lines for dual-band applications

2020 ◽  
Vol 71 (6) ◽  
pp. 433-435
Author(s):  
Shan Shan Gao ◽  
Jia-Lin Li ◽  
Zhe Lin Zhu ◽  
Jia Li Xu ◽  
Yong Xin Zhao
Keyword(s):  
Simple Structure ◽  
High Selectivity ◽  
Bandpass Filter ◽  
Dual Band ◽  
Dual Mode ◽  
Transmission Zeros ◽  
Good Consistency ◽  
Mode Resonator

AbstractAn improved feedline configuration for dual-mode resonator filter is investigated in this paper. Based on the introduced topology, a dual-mode dual-band bandpass filter with center frequencies of 1.8 and 2.4 GHz is optimally designed, fabricated and tested. The introduced dual-band bandpass filter has simple structure and enables high selectivity to be realized due to two pairs of transmission zeros located near to the lower and upper passband, respectively. Both measured and simulated performances are presented with good consistency.

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