Improvements relating to dipole antennas and coaxial to microstrip transitions
摘要
The invention relates in part to a folded dipole having a dipole axis and a pair of arms which together have a profile which is concave on one side and convex on the other when viewed along the dipole axis. The dipoles may be arranged as a dipole box around a central region, typically in a generally circular or square configuration. Further elements may be placed in the dipole box or in the gaps between dipole boxes. The antenna may be a single-band antenna, or a multi-band antenna with the further elements operating in a different frequency band to the dipole boxes. The further elements may be concentric dipole boxes. The invention is particularly suited for use in a cellular base station panel antenna. A novel coaxial to microstrip transition is also described.
申请公布号
AU2003295509(A8)
申请公布日期
2004.07.09
申请号
AU20030295509
申请日期
2003.11.13
申请人
COULT, JOHN, H.;ANDREW CORPORATION;BISIULES, PETER, JOHN;DE LA CRUZ GAVILAN, JOSELITO;YI DENG, GANG;WILSON, JOHN, STEWART
发明人
JOSELITO DE LA CRUZ GAVILAN;JOHN STEWART WILSON;PETER JOHN BISIULES;GANG YI DENG;JOHN H. COULT