Lumped-element compensated high/low-pass balun design for MMIC double-balanced mixer

Hwann Kaeo Chiou, Hao Hsiung Lin, Chi Yang Chang

Research output: Contribution to journalArticlepeer-review

45 Scopus citations


We report a novel lumped-element balun structure for both monolithic and hybrid circuit applications. The proposed structure utilizes two filters to compensate the amplitude and phase errors at the two balance outputs of a traditional out-of-phase power splitter. This circuit requires no multilayer or suspended substrates techniques; therefore, wide applications on many circuits operated especially, in the low microwave band, are expected. Two monolithic microwave integrated circuit (MMIC) mixers were built to demonstrate the electrical feasibility.

Original languageEnglish
Pages (from-to)248-250
Number of pages3
JournalIEEE Microwave and Guided Wave Letters
Issue number8
StatePublished - Aug 1997


  • Compensated high/low-pass balun
  • Lumped-element balun
  • MMIC double balanced mixer


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