A quad-band bandpass filter using stepped impedance resonators with interdigital capacitors

2018 ◽  
Vol 13 (8) ◽  
pp. 1080-1086 ◽  
Author(s):  
Pongsathorn Chomtong ◽  
Prayoot Akkaraekthalin
2014 ◽  
Vol 2014 ◽  
pp. 1-5
Author(s):  
Xin Cao ◽  
Zongxi Tang ◽  
Fei Wang ◽  
Yunqiu Wu ◽  
Biao Zhang

A new microstrip bandpass filter using composite right/left-handed (CRLH) mushroom structure with interdigital capacitors and defected ground structure (DGS) is proposed. The proposed filter uses CRLH mushroom structure working at its first negative resonance mode to create the passband and DGS to increase rejection outside the passband. Simulation and measurement results are in good agreement, and low in-band insertion loss and great out-band rejection have been achieved. It is demonstrated that the combination of CRLH mushroom structure with interdigital capacitors and DGS has succeeded in achieving excellent performance. This new filter can be applied in transmitting and receiving antennas.


Author(s):  
Imane Halkhams ◽  
Said Mazer ◽  
Mahmoud Mehdi ◽  
Moulhime El Bekkali ◽  
Wafae El Hamdani

2010 ◽  
Vol E93-C (7) ◽  
pp. 1022-1031 ◽  
Author(s):  
Chun-Ping CHEN ◽  
Junya TAKAHASHI ◽  
Zhewang MA ◽  
Tetsuo ANADA ◽  
Jui-Pang HSU
Keyword(s):  

PIERS Online ◽  
2009 ◽  
Vol 5 (7) ◽  
pp. 605-608
Author(s):  
Wayne Woods ◽  
Guoan Wang ◽  
Jiansheng Xu ◽  
Hanyi Ding ◽  
Shu Rong Dong ◽  
...  
Keyword(s):  

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