Open AccessPin‐loaded planar wideband end‐fire circularly polarised antenna
Author(s) -
Yang Dongmei,
Li Hongjun,
Ren Baoquan,
Cao Wenquan,
Huang Ronggang
Publication year - 2021
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
eISSN - 1350-911X
pISSN - 0013-5194
DOI - 10.1049/ell2.12095
Subject(s) - planar , wideband , materials science , optics , bandwidth (computing) , microstrip antenna , dipole antenna , electrical impedance , dipole , optoelectronics , physics , antenna (radio) , electrical engineering , engineering , telecommunications , computer science , computer graphics (images) , quantum mechanics
A single‐layer planar end‐fire circularly polarised microstrip antenna with enhanced bandwidth is proposed by loading with a metal pin. The original antenna is designed with a shorted parallel‐plate cavity that serves as a magnetic dipole, and a double‐sided printed bowtie dipole acts as an electric dipole. Then a metal pin is loaded connecting two metal surfaces and impedance bandwidth is improved obviously. One prototype is fabricated for verification and measured 19% –10 dB impedance bandwidth and 36% 3 dB axial ratio bandwidth are achieved.