A NOVEL QUAD-MODE RESONATOR AND ITS APPLICATION TO DUAL-BAND BANDPASS FILTERS

2013 ◽  
Vol 43 ◽  
pp. 95-104 ◽  
Author(s):  
Shou Jia Sun ◽  
Lei Lin ◽  
Bian Wu ◽  
Kun Deng ◽  
Chang-Hong Liang
Keyword(s):  
Bandpass Filters ◽  
Dual Band ◽  
Mode Resonator

Design of fourth-order dual-band superconducting filter using dual-mode resonator

2017 ◽  
Author(s):  
Baoping Ren ◽  
Haiwen Liu ◽  
Pin Wen ◽  
Xuehui Guan ◽  
Zhewang Ma
Keyword(s):  
Fourth Order ◽  
Dual Band ◽  
Dual Mode ◽  
Mode Resonator

Non-Reciprocal MMIC-Based Dual-Band Bandpass Filters

2021 ◽  
Author(s):  
Andrea Ashley ◽  
Dimitra Psychogiou
Keyword(s):  
Bandpass Filters ◽  
Dual Band

Miniaturized Dual-Band Bandpass Filter Using Embedded Dual-Mode Resonator with Controllable Bandwidths

Frequenz ◽  
2016 ◽  
Vol 70 (9-10) ◽  
Author(s):  
Chuanming Zhu ◽  
Jin Xu ◽  
Wei Kang ◽  
Zhenxin Hu ◽  
Wen Wu
Keyword(s):  
Insertion Loss ◽  
Degrees Of Freedom ◽  
Bandpass Filter ◽  
The Other ◽  
Dual Band ◽  
Dual Mode ◽  
Transmission Zeros ◽  
Low Insertion Loss ◽  
Multiple Transmission ◽  
Mode Resonator

AbstractIn this paper, a miniaturized dual-band bandpass filter (DB-BPF) using embedded dual-mode resonator (DMR) with controllable bandwidths is proposed. Two passbands are generated by two sets of resonators operating at two different frequencies. One set of resonators is utilized not only as the resonant elements that yield the lower passband, but also as the feeding structures with source-load coupling to excite the other to produce the upper passband. Sufficient degrees of freedom are achieved to control the center frequencies and bandwidths of two passbands. Moreover, multiple transmission zeros (TZs) are created to improve the passband selectivity of the filter. The design of the filter has been demonstrated by the measurement. The filter features not only miniaturized circuit sizes, low insertion loss, independently controllable central frequencies, but also controllable bandwidths and TZs.

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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