A dual‐feed microstrip grid array antenna for balanced or unbalanced operation | Zendy

Zhang Yueping | Zendy; Zhang Lin | Zendy; Chen Zihao | Zendy

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A dual‐feed microstrip grid array antenna for balanced or unbalanced operation

Author(s) -

Zhang Yueping,

Zhang Lin,

Chen Zihao

Publication year - 2017

Publication title -

international journal of rf and microwave computer‐aided engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.335

H-Index - 39

eISSN - 1099-047X

pISSN - 1096-4290

DOI - 10.1002/mmce.21111

Subject(s) - microstrip antenna , antenna measurement , patch antenna , antenna gain , antenna factor , dipole antenna , antenna feed , microstrip , computer science , optics , electrical engineering , electronic engineering , physics , antenna (radio) , telecommunications , engineering

The development of a dual‐feed microstrip grid array antenna for either balanced or unbalanced operation to radiate pencil‐beam patterns has been described. As an example, the dual‐feed microstrip grid array antenna on RT/duroid 5880 substrate with a size of 60 × 60 × 0.787 mm 3 or 4.8λ × 4.8λ × 0.063λ at 24 GHz were designed and fabricated. The measured results show that the dual‐feed microstrip grid array antenna has achieved excellent performances: 4.85% impedance bandwidth, 9.03% gain bandwidth, and 20.6‐dBi gain at 24.15 GHz as a balanced antenna and 6.05% impedance bandwidth, 7.74% gain bandwidth, and 17.8‐dBi gain at 24.15 GHz as an unbalanced antenna. The dual‐feed microstrip grid array antenna is a suitable antenna candidate for radar and sensor applications.

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