Sidelobe level suppression using unequal four-way power divider for proximity coupled microstrip antenna

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Abstract

A four-way unequal power divider is developed to feed a linear array proximity coupled microstrip antenna. The unequal power divider excitation coefficients follow the chebyshev polynomial. The simulation result shows that the four element proximity coupled microstrip antenna array with unequal power divider has achieved a sidelobe level suppression of 18.7 dB with backlobe level suppression of 16.5 dB. Furthermore the antenna gain of 8.81 dB was also achieved. Measurement results of the antenna with unequal power divider show similar result with the simulation. Measurement results show sidelobe level suppression of 18.1 dB with backlobe level suppression of 19.4 dB.

Original languageEnglish
Title of host publication2013 Asia-Pacific Microwave Conference Proceedings, APMC 2013
Pages1166-1168
Number of pages3
DOIs
Publication statusPublished - 1 Dec 2013
Event2013 3rd Asia-Pacific Microwave Conference, APMC 2013 - Seoul, Korea, Republic of
Duration: 5 Nov 20138 Nov 2013

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC

Conference

Conference2013 3rd Asia-Pacific Microwave Conference, APMC 2013
CountryKorea, Republic of
CitySeoul
Period5/11/138/11/13

Keywords

  • microstrip antenna
  • proximity coupled
  • sidelobe suppression
  • unequal power divider

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