Article

Journal of Infrared, Millimeter, and Terahertz Waves

, Volume 31, Issue 8, pp 969-978

Printed Planar Antenna for Wideband Applications

  • Rezaul AzimAffiliated withDepartment of Electrical, Electronic and Systems Engineering, Universiti Kebangsaan MalaysiaInstitute of Space Science (ANGKASA), Universiti Kebangsaan Malaysia Email author 
  • , Mohammad Tariqul IslamAffiliated withInstitute of Space Science (ANGKASA), Universiti Kebangsaan Malaysia
  • , Norbahiah MisranAffiliated withDepartment of Electrical, Electronic and Systems Engineering, Universiti Kebangsaan MalaysiaInstitute of Space Science (ANGKASA), Universiti Kebangsaan Malaysia

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Abstract

A compact planar antenna operating at a frequency range of 3–16 GHz is presented for wideband applications. The antenna is composed of a square patch fed by a microstrip line and a partial ground plane with a rectangular slot. The proposed antenna is very easy to be integrated with microwave circuitry for low manufacturing cost. The flat antenna has a compact structure and the total size is 29 mm × 22 mm. The result shows that the measured impedance bandwidth (VSWR≤ 2) of the proposed antenna is 3.2–15.44 GHz, with a notch from 4.7 to 5.8 GHz. The effects of the structure parameters on impedance bandwidth are also investigated. Details of the proposed compact planar antenna design are presented and discussed.

Keywords

Microstrip line Partial ground plane Planar antenna Ultrawideband (UWB) antenna