Miniaturized Size of Dual-Band-Meandered Branch-Line Coupler for Wlan Application

NM Jizat, SKA Rahim, TA Rahman, AY Abdulrahman, MI Sabran, Peter Hall

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A new method of a dual-hand miniaturized branch-line coupler (BLC) is presented with two widely separated bands (f(2) > 2f(1)) for wireless local area network application. Partially meandered lines are used as the coupler's shunt arms; and are designed to operate at f(1), = 2.45 GHz and f(2) = 5.8 GHz. There are 65 and 90% reduction in circuit area compared to the previous research design. The output signal ports have an equal power split within measurement accuracy and 2 error at the resonant frequencies. The simulated and measured results are in good agreement, thereby verifying the design concept. (C) 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:2543-2547, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26312
Original languageEnglish
Pages (from-to)2543-2547
Number of pages5
JournalMicrowave and Optical Technology Letters
Volume53
Issue number11
DOIs
Publication statusPublished - 1 Nov 2011

Keywords

  • miniature size
  • dual-band branch-line coupler
  • meandered line
  • wireless local area network systems

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