A tunable quarter-mode substrate integrated waveguide antenna Conference Paper uri icon

abstract

  • 2016 IEEE. A varactor-tuned quarter-mode substrate integrated waveguide (QMSIW) antenna is presented for the first time. Quarter mode cylindrical substrate integrated waveguide cavity resonators are used to design an ultra-compact antenna with an operating frequency of 2.7 GHz. In order to make reactive loading of the structure possible, a corner via is connected to two surface ring gaps. Frequency tuning is achieved by loading these surface ring gaps with four back-to-back varactor diodes. Using this technique, a frequency tuning ratio of 1.7:1 (1.55-2.55 GHz) is achieved. The antenna shows similar radiation pattern with high co- to cross-polarization and front-to-back ratio for all operating states.

name of conference

  • 2016 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting

published proceedings

  • 2016 IEEE International Symposium on Antennas and Propagation (APSURSI)

author list (cited authors)

  • Saghati, A. P., & Entesari, K.

citation count

  • 1

complete list of authors

  • Saghati, Ali Pourghorban||Entesari, Kamran

publication date

  • June 2016

publisher