Ultra-wideband microstrip-slotline bandpass filter with enhanced rejection skirts and widened upper stopband

2007 ◽  
Vol 43 (24) ◽  
pp. 1368 ◽  
Author(s):  
R. Li ◽  
L. Zhu
Keyword(s):  
Bandpass Filter ◽  
Ultra Wideband

A balanced ultra‐wideband bandpass filter based on H‐type sandwich slotline

2021 ◽  
Vol 31 (5) ◽  
Author(s):  
Jing Sun ◽  
Guang Rui Li
Keyword(s):  
Bandpass Filter ◽  
Ultra Wideband

scholarly journals Investigation of 3D ultra-wideband bandpass filter model based on microstrip multimode resonators

2021 ◽  
Vol 1745 (1) ◽  
pp. 012064
Author(s):  
B A Belyaev ◽  
S A Khodenkov ◽  
N A Shepeta ◽  
A M Popov
Keyword(s):  
Bandpass Filter ◽  
Ultra Wideband ◽  
Filter Model ◽  
Model Based

Design and analysis of a planar UWB bandpass filter with stopband characteristics using MMR technique

2021 ◽  
pp. 1-8
Author(s):  
Gaurav Saxena ◽  
Priyanka Jain ◽  
Y. K. Awasthi
Keyword(s):  
Return Loss ◽  
Group Delay ◽  
Bandpass Filter ◽  
Ground Plane ◽  
Cost Effective ◽  
Ultra Wideband ◽  
Defected Ground Structures ◽  
Ground Structures ◽  
Multi Mode ◽  
Mode Resonator

Abstract In this paper, a ultra-wideband (UWB) bandpass filter with stopband characteristics is presented using a multi-mode resonator (MMR) technique. An MMR is formed by loading three dumbbell-shaped (Mickey and circular) shunt stubs placed in the center and two symmetrical locations from ports, respectively. Three circular and arrowhead defected ground structures on the ground plane are introduced to achieve UWB bandwidth with a better roll-off rate. The proposed filter exhibits stopband characteristics from 10.8 to 20 GHz with a 0.4 dB return loss. The group delay and roll-off rate of the designed filter are <0.30 ns in the passband and 16 dB/GHz at lower and higher cut-off frequencies, respectively. The dimension of the filter is 0.74λg × 0.67λg mm2 and was fabricated on a cost-effective substrate. All simulated results are verified through the experimental results.

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