A Design of Balun Bandpass Filter for Wide Stopband Attenuation Base on Stepped Impedance Resonators

Author(s):  
Phirun Kim ◽  
Wang Qi ◽  
Girdhari Chaudhary ◽  
Yongchae Jeong
2005 ◽  
Vol 19 (01n03) ◽  
pp. 387-389 ◽  
Author(s):  
JING CHEN ◽  
LIANG SUN ◽  
JIANDONG HUANG ◽  
SHUNZHOU LI ◽  
AISHENG HE ◽  
...  

Integration of a high-temperature superconducting (HTS) narrowband bandpass filter and a HTS bandstop filter onto a single piece double-sided YBCO thin film with 0.5mm-thick LaAlO 3 substrate has been carried out. The 8-pole bandpass filter was designed with a fractional bandwidth about 0.8%. A pair of transmission zeros was implemented, showing typical quasi-elliptical function characteristics. The bandstop filter has a high stopband attenuation (~70 dB ) to fulfill the special requirement of potential application in communications. Integration of the two filters was successfully achieved.


2017 ◽  
Vol 38 (10) ◽  
pp. 1359-1362 ◽  
Author(s):  
Yang Yang ◽  
Hang Liu ◽  
Zhang Ju Hou ◽  
Xi Zhu ◽  
Eryk Dutkiewicz ◽  
...  

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
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