Design of highly isolated common aperture microstrip antenna for L/S/C/X band

Xinyuan Huang; Kun Jiang; Qinggong Guo

doi:10.11884/HPLPB202234.220241

Journals >High Power Laser and Particle Beams >Volume 34 >Issue 12 >Page 123004 > Article

High Power Laser and Particle Beams
Vol. 34, Issue 12, 123004 (2022)

Design of highly isolated common aperture microstrip antenna for L/S/C/X band

Xinyuan Huang, Kun Jiang, and Qinggong Guo^*

Author Affiliations

College of Electronics and Information Engineering, Sichuan University, Chengdu 610065, China

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DOI: 10.11884/HPLPB202234.220241 Cite this Article

Xinyuan Huang, Kun Jiang, Qinggong Guo. Design of highly isolated common aperture microstrip antenna for L/S/C/X band[J]. High Power Laser and Particle Beams, 2022, 34(12): 123004 Copy Citation Text

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Fig. 1. Schematic diagrams of antenna

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Fig. 2. L/S/C band schematic diagrams of antenna

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Fig. 3. X band schematic diagrams of antenna

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Fig. 4. Photos of fabricated antenna

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Fig. 5. S-parameters simulated and measured

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Fig. 6. Isolation of ports

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Fig. 7. Patterns of yOz plane of antenna

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Fig. 8. Patterns of xOz plane of antenna

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G₁/mm	G₂/mm	G₃/mm	P₁/mm	P₂/mm	P₃/mm	H₁/mm	H₂/mm
85	50	26	63.2	28.6	14.9	3	3
H₃/mm	L₁/mm	L₂/mm	L₃/mm	W₁/mm	W₂/mm	W₃/mm
1.5	10	10	6	2.5	3.5	1.2

Table 1. Parameters of fabricated antenna

G₄/mm	P₄/mm	L₄/mm	H₄/mm	W₄/mm	L_x/mm	W_x/mm
11	8	2.5	1.5	0.5	3.5	1.8

Table 2. Parameters of fabricated antenna

antenna	size	band	isolation/dB
Ref [4]	1.94 $ {\lambda }_{0} $×1.94 $ {\lambda }_{0} $×0.08 $ {\lambda }_{0} $	C/X	15
Ref [11]	1.26 $ {\lambda }_{0} $×1.26 $ {\lambda }_{0} $×0.47 $ {\lambda }_{0} $	S/X	10
Ref [14]	0.87 $ {\lambda }_{0} $×0.87 $ {\lambda }_{0} $×0.26 $ {\lambda }_{0} $	L/S/X	25
this work	0.34 $ {\lambda }_{0} $×0.34 $ {\lambda }_{0} $×0.04 $ {\lambda }_{0} $	L/S/C/X	30

Table 3. Comparison of performance for various antennas

Xinyuan Huang, Kun Jiang, Qinggong Guo. Design of highly isolated common aperture microstrip antenna for L/S/C/X band[J]. High Power Laser and Particle Beams, 2022, 34(12): 123004

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