A Compact Differential Filtering Quasi-Yagi Antenna With High Frequency Selectivity and Low Cross-Polarization Levels

2015 ◽  
Vol 14 ◽  
pp. 1573-1576 ◽  
Author(s):  
Jin Shi ◽  
Xu Wu ◽  
Zhi Ning Chen ◽  
Xianming Qing ◽  
Longlong Lin ◽  
...  
Keyword(s):  
High Frequency ◽  
Frequency Selectivity ◽  
Cross Polarization ◽  
Yagi Antenna

scholarly journals Coplanar Stripline-Fed Wideband Yagi Dipole Antenna with Filtering-Radiating Performance

Electronics ◽  
2020 ◽  
Vol 9 (8) ◽  
pp. 1258
Author(s):  
Yong Chen ◽  
Gege Lu ◽  
Shiyan Wang ◽  
Jianpeng Wang
Keyword(s):  
High Frequency ◽  
Dipole Antenna ◽  
Frequency Selectivity ◽  
Antenna Design ◽  
Initial Structure ◽  
Coplanar Stripline ◽  
Half Wavelength ◽  
Yagi Antenna ◽  
Operating Bandwidth ◽  
Good Agreement

In this article, a wideband filtering-radiating Yagi dipole antenna with the coplanar stripline (CPS) excitation form is investigated, designed, and fabricated. By introducing an open-circuited half-wavelength resonator between the CPS structure and dipole, the gain selectivity has been improved and the operating bandwidth is simultaneously enhanced. Then, the intrinsic filtering-radiating performance of Yagi antenna is studied. By implementing a reflector on initial structure, it is observed that two radiation nulls appear at both lower and upper gain passband edges, respectively. Moreover, in order to improve the selectivity in the upper stopband, a pair of U-shaped resonators are employed and coupled to CPS directly. As such, the antenna design is finally completed with expected characteristics. To verify the feasibility of the proposed scheme, a filtering Yagi antenna prototype with a wide bandwidth covering from 3.64 GHz to 4.38 GHz is designed, fabricated, and measured. Both simulated and measured results are found to be in good agreement, thus demonstrating that the presented antenna has the performances of high frequency selectivity and stable in-band gain.

Compact Bandpass-Filtering Response Power Dividers with High Isolation and High Frequency Selectivity

2017 ◽  
Vol 37 (1) ◽  
pp. 73-79 ◽  
Author(s):  
Kaijun Song ◽  
Fan Zhang ◽  
Yu Zhu ◽  
Maoyu Fan ◽  
Yong Fan
Keyword(s):  
High Frequency ◽  
Frequency Selectivity ◽  
Power Dividers ◽  
High Isolation

A CPW-fed broadband quasi-Yagi antenna with low cross-polarization performance

2018 ◽  
Vol 83 ◽  
pp. 188-192 ◽  
Author(s):  
Xuefeng Zhao ◽  
Yongjun Huang ◽  
Xiaolin Xue ◽  
Guangjun Wen
Keyword(s):  
Cross Polarization ◽  
Yagi Antenna

Analysis and implementation of 3D bandpass frequency selective structure with high frequency selectivity

2017 ◽  
Vol 53 (5) ◽  
pp. 324-326 ◽  
Author(s):  
Keya Tao ◽  
Bo Li ◽  
Yiming Tang ◽  
Ming Zhang ◽  
Yaming Bo
Keyword(s):  
High Frequency ◽  
Frequency Selectivity ◽  
Frequency Selective

Compact bandpass-filtering response power divider with high-frequency selectivity and high isolation

2019 ◽  
Vol 11 (08) ◽  
pp. 755-760
Author(s):  
Jiawei Li ◽  
Kaijun Song ◽  
Fei Xia ◽  
Shema Richard Patience ◽  
Song Guo ◽  
...  
Keyword(s):  
Slow Wave ◽  
High Frequency ◽  
Reasonable Agreement ◽  
Frequency Selectivity ◽  
Power Divider ◽  
Dual Mode ◽  
High Isolation ◽  
Wave Characteristics ◽  
Capacitive Load

AbstractA compact high-isolation power divider with bandpass response and high-frequency selectivity is presented in this letter. Two dual-mode resonators are used to realize filtering response. The circuit size of the proposed power divider can be reduced by using dual-mode capacitance loaded square meander loop resonators. Due to capacitive load, the resonator can exhibit slow-wave characteristics, which can be utilized to suppress harmonics and reduce size. The simulated and measured results show reasonable agreement.

Design of filtering power divider with high frequency selectivity

2018 ◽  
Vol 60 (7) ◽  
pp. 1649-1653 ◽  
Author(s):  
Kai‐Da Xu ◽  
Yecheng Bai ◽  
Chunhui Zhu ◽  
Yanhui Liu
Keyword(s):  
High Frequency ◽  
Frequency Selectivity ◽  
Power Divider

A New Metamaterial Printed Microstrip Yagi -Array Antenna for ISM band Applications

2015 ◽  
Vol 3 (4) ◽  
pp. 320-324
Author(s):  
Amalasofiah S ◽  
Preethi C
Keyword(s):  
Return Loss ◽  
Array Antenna ◽  
Ring Resonators ◽  
Cross Polarization ◽  
Split Ring ◽  
Directional Characteristic ◽  
Split Ring Resonators ◽  
Ism Band ◽  
Interference Level ◽  
Yagi Antenna

A traditional yagi antenna is used for broadband applications. A New Metamaterial Printed Microstrip Yagi -Array Antenna has been introduced here. This antenna is found to operate at 2.4GHz. The microstrip yagi-array antenna is loaded with artificial split ring resonators (SRRs) which is used for achieving the metamaterial effect in the structure. The overall circuit size of the designed antenna is 11.5*11.5*0.25mm3 with reduced cross polarization and the substrate used is FR4 epoxy with dielectric constant 4.4 which is readily available. The designed antenna achieved about 4dB of gain and it also achieved a high directional characteristic of 5-9dB in the operating band. The designed antenna had a minimum return loss of about -8dB. The achievement of narrowband width for ISM band application enhances the efficiency of the antenna at the specified band and reduces the interference level.

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