scholarly journals Ka‐band coupled‐resonator bandpass filter based on printed ridge gap waveguide for millimetre‐wave application

2021 ◽  
Author(s):  
Xiaojun Hu ◽  
Feng Xu
Keyword(s):  
Bandpass Filter ◽  
Millimetre Wave ◽  
Ka Band ◽  
Coupled Resonator

Compact membrane-supported bandpass filter for millimetre-wave applications

2004 ◽  
Vol 40 (3) ◽  
pp. 180 ◽  
Author(s):  
D. Neculoiu ◽  
G. Bartolucci ◽  
P. Pons ◽  
L. Bary ◽  
D. Vasilache ◽  
...  
Keyword(s):  
Bandpass Filter ◽  
Millimetre Wave

A Wideband Bandpass Filter Integrated Single-Pole Double-Throw Switch with Wide Stopband

Frequenz ◽  
2018 ◽  
Vol 72 (11-12) ◽  
pp. 533-537 ◽  
Author(s):  
Jin Xu ◽  
Qi-Hang Cai ◽  
Zhi-Yu Chen
Keyword(s):  
Insertion Loss ◽  
Bandpass Filter ◽  
Fractional Bandwidth ◽  
Central Frequency ◽  
Resonant Frequencies ◽  
Capacitively Coupled ◽  
Filter Theory ◽  
Compact Size ◽  
Better Than ◽  
Coupled Resonator

Abstract This paper proposes a wideband bandpass filter (BPF) integrated single-pole double-throw (SPDT) switch by using the capacitively coupled LC resonators with loaded p-i-n diodes. The BPF-integrated on-state channel can be synthesized by using the coupled resonator filter theory, and the off-state channel with high suppression is built due to the misaligned resonant frequencies of LC resonators. As an example, a BPF-integrated SPDT switch is designed and fabricated with the central frequency of 1 GHz and the 3 dB fractional bandwidth of 29.7 %. The on-state channel has a measured insertion loss of 1.23 dB, and a 20 dB rejection wide stopband from 1.47 GHz to 8.6 GHz. The off state channel has a 43 dB suppression around 1 GHz. The isolation between two ports is better than 52.4 dB. The fabricated BPF-integrated SPDT switch size including bias circuits but excluding feeding lines has a compact size of 0.086 λg×0.096 λg.

Ka Band Novel Concise Sine Substrate Integrated Waveguide Bandpass Filter

2012 ◽  
Vol 26 (1) ◽  
pp. 140-147 ◽  
Author(s):  
X. Yang ◽  
Y. Fan ◽  
B. Zhang ◽  
X. Xu ◽  
H. Wang
Keyword(s):  
Bandpass Filter ◽  
Substrate Integrated Waveguide ◽  
Ka Band

Millimetre‐wave low‐temperature co‐fired ceramic bandpass filter with independently controllable dual passbands

2017 ◽  
Vol 11 (11) ◽  
pp. 1558-1564 ◽  
Author(s):  
Yun‐Li Li ◽  
Jian‐Xin Chen ◽  
Wei Qin ◽  
Qing‐Yuan Lu ◽  
Zhi‐Hua Bao
Keyword(s):  
Low Temperature ◽  
Bandpass Filter ◽  
Millimetre Wave
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