Wideband horn antenna based on multi-substrate layer technology

A metal horn antenna fed by a co-planner waveguide with ground (CPWG) is designed and fabricated. To integrate and connect other active elements of the system, the CPWG is designed by multi-substrate PCB technology. A transition in the PCB layer concatenating the CPWG and the microstrip line has pro...

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Bibliographic Details
Published in:Electronics letters 2019-01, Vol.55 (1), p.5-6
Main Authors: Yao, Xianxun, Sun, Guolin
Format: Article
Language:English
Subjects:
active elements
antenna feeds
antenna radiation patterns
Antennas and propagation
broad impedance bandwidth
broadband antennas
continuous structure
coplanar waveguides
coplanner waveguide with ground
CPWG
electric field
frequency 20.5 GHz to 28.6 GHz
horn antennas
metal horn antenna
microstrip antennas
microstrip line
microstrip lines
multisubstrate layer technology
multisubstrate PCB technology
PCB layer
printed circuits
radiation patterns
RF circuit
ridge waveguide
ridge waveguides
wideband horn antenna
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Description
Summary:A metal horn antenna fed by a co-planner waveguide with ground (CPWG) is designed and fabricated. To integrate and connect other active elements of the system, the CPWG is designed by multi-substrate PCB technology. A transition in the PCB layer concatenating the CPWG and the microstrip line has provided a continuous structure to lead the electric field from RF circuit into the horn. A ridge waveguide is used to widen the bandwidth. The simulated and measured results show that the proposed antenna has a broad impedance bandwidth of 33.1% (from 20.5 to 28.6 GHz) for |S11|
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2018.6399