A GaInP/GaAs HBT micromixer for 2.4/5.2/5.7-GHz multiband WLAN applications

C. Y. Wang*, S. S. Lu, Chin-Chun Meng, Y. S. Lin

*Corresponding author for this work

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

A GaInP/GaAs HBT micromixer for 2.4/5.2/5.7-GHz multiband WLAN applications is demonstrated. Our experimental results show that the input return loss |S11| is below -25 dB from DC to 10 GHz with power-conversion gains of 11.7, 11.9, and 11.5 dB at frequencies of 2.4, 5.2, and 5.7 GHz, respectively. The wideband matching characteristic makes the micromixer very suitable for multiband applications. Input P1dB is -4 dBm and IIP3 is 2.36 dBm. Port-to-port isolation is also quite satisfactory. In addition, the single-to-differential input stage in the Gilbert micromixer eliminates the need for common-mode rejection.

Original languageEnglish
Pages (from-to)87-89
Number of pages3
JournalMicrowave and Optical Technology Letters
Volume43
Issue number1
DOIs
StatePublished - 5 Oct 2004

Keywords

  • HBT
  • InGaP
  • Micromixer
  • Multiband
  • WLAN

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