Simulation and measurement of a Ka-band HTS MMIC Josephson junction mixer

Ting Zhang, Colin Pegrum, Jia Du, Yingjie Jay Guo

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22 Citations (Scopus)
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We report modeling and simulation results for a Ka band high-temperature superconducting (HTS) monolithic microwave integrated circuit (MMIC) Josephson junction mixer. A Verilog-A model of a Josephson junction is established and imported into the system simulator to realize a full HTS MMIC circuit simulation containing the HTS passive circuit models. Impedance matching optimization between the junction and passive devices is investigated. Junction DC I–V characteristics, current and local oscillator bias conditions and mixing performance are simulated and compared with the experimental results. Good agreement is obtained between the simulation and measurement results.
Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalSuperconductor Science and Technology
Issue number1
Publication statusPublished - 9 Nov 2016


  • high-temperature superconducting (HTS) devices
  • Josephson junction
  • mixer
  • MMIC
  • simulation


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