Coplanar waveguide (CPW)-FED circular slot antenna for W-band and imaging system applications

Tuan Hoang Anh, Min Han, Yong Hyun Baek, Sang Jin Lee, Hoang Nguyen Van, Jin Ho Kim, Yeon Sik Chae, Hyun Chang Park, Jin Koo Rhee, Joo Ho Jung, Young Wook Park

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Using a coplanar waveguide (CPW) feed with a short-circuiting stub, the fed circular slot antenna for W-band operation is presented.The obtained results show that the impedance bandwidth, which is determined by 10 dB return-loss of the proposed slot antenna, can reach to 21% with the center frequency at 94 GHz (80 GHz-100 GHz), and the gain achieves 3.05 dBi at 92 GHz with good radiation performance.

Original languageEnglish
Pages (from-to)2298-2302
Number of pages5
JournalMicrowave and Optical Technology Letters
Volume53
Issue number10
DOIs
StatePublished - Oct 2011

Keywords

  • broadband antenna
  • CPW fed
  • fed circular slot antenna
  • GaAs substrate
  • planar antenna
  • W-band antenna

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