Design of a low-cost broadband loaded dipole antenna for VHF/UHF frequency range
作者： Mohammad Bod , Mehdi Ahmadi‐Boroujeni , Karim Mohammadpour‐Aghdam
DOI: 10.1049/IET-MAP.2018.5753
关键词:
摘要: This study describes the concept and design of a low-cost super broadband dipole antenna with passive matching network. The proposed is designed in three steps. First, simple planar six different loads balanced to unbalanced (Balun) transformer by genetic algorithm optimisation. position value are optimised achieve an acceptable radiation pattern voltage standing wave ratio (VSWR) over desired frequency bandwidth. In next step, shape printed strip improve response antenna. Finally, LC network added feed point reduce VSWR at low frequencies. final has length 1.7 m can operate 30-1200 MHz -10 dBi. easily be fabricated cost via circuit board technology. An industrial prototype measured. A good agreement between measurement simulation results observed.
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