Compact coplanar waveguide low-pass filter using a novel electromagnetic bandgap structure

Author(s):  
Yongzhuo Zou ◽  
Xin Hu ◽  
Sailing He ◽  
Zhili Lin
1993 ◽  
Vol 6 (12) ◽  
pp. 715-717 ◽  
Author(s):  
Sridhar Kanamaluru ◽  
Ming-Yi Li ◽  
Kai Chang

2012 ◽  
Vol 54 (3) ◽  
pp. 732-735 ◽  
Author(s):  
P. Kurgan ◽  
A. Bekasiewicz ◽  
M. Pietras ◽  
M. Kitlinski

Author(s):  
Mohammed Bendaoued ◽  
Rachid Mandry ◽  
Larbi El Abdellaoui ◽  
Aytouna Fouad ◽  
Mohamed Latrach ◽  
...  

2014 ◽  
Vol 2014 ◽  
pp. 1-9
Author(s):  
Rafal Lech ◽  
Wojciech Marynowski ◽  
Adam Kusiek ◽  
Jerzy Mazur

Two examples of microwave devices, fed by a coplanar waveguide and realized on a thin substrate (or without such a substrate), are employed to investigate the influence of devices’ curvatures and the proximity of different materials on their parameters. To perform the tests, a broadband antenna and a low-pass filter are chosen. A feeding coplanar waveguide is realized on a dielectric material brick attached to an SMA connector and the main device structure is placed in the air or on a thin substrate. The utilization of a thin substrate or its removal from the structure gives rise to the possibility of placing the devices on curved surfaces. The investigated devices are redesigned and manufactured. The antenna has a total size of 46 mm × 44 mm and covers a frequency range of 2.4–35 GHz which gives a 174% fractional bandwidth. The filter has a total size of 50 mm × 80 mm and its bandwidth has a cutoff frequency of 3.4 GHz. The obtained results are verified by measurements and good agreement is achieved.


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