A compact Ka-band planar three-way power divider

Yu Ann Lai, Chi Ming Lin, Jui Chieh Chiu, Che Hung Lin, Yeong Her Wang

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)


A Ka-band planar three-way power divider which uses the coupled line instead of the transmission line is proposed to reduce chip size. The proposed planar topology, different from the conventional Wilkinson power divider, is analyzed and can provide not only compact but also dc block characteristics, which are very suitable for monolithic microwave integrated circuit applications. The divider implemented by a pHEMT process shows an insertion loss less than 5.1 dB and an output isolation better than 17 dB. A return loss less than 18 dB and a phase difference of 4.2° at 30 GHz can be achieved. Finally, good agreements between the simulation and experimental results are shown.

Original languageEnglish
Pages (from-to)840-842
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Issue number12
Publication statusPublished - 2007 Dec

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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