2.4 GHz monolithic microwave mixer with lumped balanced circuits

C. F. Liao*, Y. J. Chan, Y. C. Chiang

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

3 Scopus citations


Monolithic microwave timers, operating at 2-3 GHz, have been developed, based on the lumped balanced circuit approach. By using two passive lumped balun circuits on the RF and LO ports, respectively, a wideband balanced mixer with good isolation can be realized. The conversion loss, under the IF at 200 MHz condition, was 12-14 dB at a LO power of 11 dBm. In addition, this mixer demonstrated an input IP3 of 18.9 dBm at 2.4 GHz. The simulated results, based on the large-signal models, presented a fair agreement with the measured results, which reveals the importance of device modeling.

Original languageEnglish
Pages (from-to)357-359
Number of pages3
JournalMicrowave and Optical Technology Letters
Issue number6
StatePublished - 1998


  • Lumped circuits
  • Microwave monolith circuits
  • Mixer


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