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Designing Method of Microstrip Antenna Considering the Bandwidth
Yasuo SUZUKI Taneaki CHIBA
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1984/09/25
Print ISSN: 0000-0000
Type of Manuscript: PAPER
Category: Antenna and Propagation
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This paper relates to a designing method of microstrip antenna considering the bandwidth. The bandwidth becomes a maximum for a special value of characteristic impedance of the feeder. Also, the unloaded Q and resonant frequency of the microstrip antenna are shown as a function of substrate thickness with the dielectric constant as a parameter. These relation can be shown on the drawings, which are very useful for the designing of microstrip antenna considering the bandwidth. Finally, a circular microstrip antenna, of which bandwidth for VSWR2 is 8.75%, is manufactured as a designing example by using the paper honeycomb substrate and is measured for the return loss characteristic. From the fact that the measured result agrees well with the calculated result, the usefulness in this method is verified.