Compact dual-band filter design using crossly coupled λ/4 SIRs embedded with spur-line for WLAN applications

2008 ◽  
Vol 50 (11) ◽  
pp. 2807-2810 ◽  
Author(s):  
Pow-Wen Chen ◽  
Min-Hua Ho ◽  
Wanchu Hong
Keyword(s):  
Filter Design ◽  
Dual Band ◽  
Band Filter

Dual-band filter design using L-shaped stepped impedance resonators

2010 ◽  
Vol 4 (7) ◽  
pp. 855 ◽  
Author(s):  
M.-L. Chuang ◽  
M.-T. Wu ◽  
S.-M. Tsai
Keyword(s):  
Filter Design ◽  
Dual Band ◽  
Band Filter

Compact Dual-Band Bandpass Waveguide Filter with H-Plane Inserts

2015 ◽  
Vol 25 (03) ◽  
pp. 1640015 ◽  
Author(s):  
Snežana Stefanovski ◽  
Milka Potrebić ◽  
Dejan Tošić ◽  
Zoran Stamenković
Keyword(s):  
Filter Design ◽  
Ring Resonators ◽  
Dual Band ◽  
Filter Model ◽  
Band Filter ◽  
Waveguide Filter ◽  
Waveguide Resonators ◽  
Electromagnetic Models ◽  
Compact Filter ◽  
Good Agreement

A novel compact dual-band bandpass waveguide filter is presented in this paper. H-plane metal inserts with complementary split-ring resonators are implemented as resonating elements in the standard (WR-90) rectangular waveguide. Design starts from the models of the waveguide resonators with two resonant frequencies (9[Formula: see text]GHz and 11[Formula: see text]GHz) using a single flat or folded metal insert. Further, folded inserts are used for the second-order dual-band filter design. The equivalent circuits are proposed for the considered waveguide resonators and filter. A good agreement of the amplitude responses obtained for three-dimensional electromagnetic models and microwave circuits is achieved. Finally, compact dual-band bandpass waveguide filter is proposed as a novel solution using miniaturized inverters for both central frequencies. Compact filter model is further modified in order to obtain solution customized for easier fabrication. For the compact filter model, amplitude response is experimentally verified. The required filter response is preserved, as verified by a good agreement of the results obtained for the original dual-band filter and for the compact filter solutions.

Dual-band filter design of combined half and quarter wavelength SIRs for WLAN applications

2007 ◽  
Vol 50 (1) ◽  
pp. 13-15 ◽  
Author(s):  
Pow-Wen Chen ◽  
Hao-Hung Ho ◽  
Min-Hua Ho ◽  
Ching-Her Lee
Keyword(s):  
Filter Design ◽  
Dual Band ◽  
Quarter Wavelength ◽  
Band Filter

Compact superconducting single- and dual-band filter design using multimode stepped-impedance resonator

2017 ◽  
Vol 26 (12) ◽  
pp. 128501 ◽  
Author(s):  
Xiang Wang ◽  
Bin Wei ◽  
Xi-Long Lu ◽  
Xu-Bo Guo ◽  
Bi-Song Cao
Keyword(s):  
Filter Design ◽  
Dual Band ◽  
Band Filter ◽  
Stepped Impedance Resonator
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