A fully symmetrical crossover and its dual-frequency application

Jin Shao, Han Ren, Bayaner Arigong, Changzhi Li, Hualiang Zhang

Research output: Contribution to journalArticlepeer-review

57 Scopus citations


In this paper, a new fully symmetrical four-port microstrip crossover and its dual-frequency application are presented. The proposed single-band crossover has a simple structure and an easily controlled bandwidth; and its dual-frequency application can provide flexible frequency ratio between the two working frequencies. Moreover, analytical design equations are derived using the even-odd-mode method. The final explicit design equations are concise. To verify the design concepts, both a single-band crossover working at 1 GHz and a dual-frequency crossover working at 1/2.3 GHz are fabricated and tested. The measurement results agree well with the design theory.

Original languageEnglish
Article number6212481
Pages (from-to)2410-2416
Number of pages7
JournalIEEE Transactions on Microwave Theory and Techniques
Issue number8
StatePublished - 2012


  • Controllable bandwidths
  • crossover
  • dual frequency
  • even-odd mode
  • fully symmetrical


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