Abstract
In this paper, a novel single-feed circular-shape slotted microstrip antenna is proposed for C-band (4–8 GHz) applications. Antenna is designed on FR4 glass epoxy material with dielectric constant 4.4 and height 1.56 mm. Antenna is fed by a coaxial probe feed. Ansoft-based HFSS software is used for the simulation of proposed antenna. Vector Network Analyzer (VNA) is used for measuring the Return Loss (RL) and Voltage Standing Wave Ratio (VSWR) of the proposed antenna. The measured results such as gain, bandwidth, and return loss confirm the validity of this design and show a good agreement with simulated results. The proposed antenna shows a bandwidth of 191 MHz at 4.34 GHz, 190 MHz at 5.9 GHz and 106 MHz at 6.51 GHz frequency.
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