A 36 GHz HTS MMIC Josephson mixer - simulation and measurement

Ting Zhang, Xiang Gao, Wei Wang, Jia Du, Colin Pegrum, Yingjie Jay Guo

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6 Citations (Scopus)
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Modeling, simulation, and measurement of a compact 36 GHz high-temperature superconducting (HTS) monolithic Josephson junction mixer are presented in this paper. A full HTS microwave monolithic integrated circuit (MMIC) simulation was carried out for the circuit combining HTS passive devices and the Josephson junction. Optimal impedance matching and bias conditions were investigated, and the circuit layout was designed accordingly. The HTS circuit has a compact dimension of 5 × 4 × 0.3 mm3, including filters, resonators, and impedance matching circuits. The HTS MMIC mixer was fabricated and packaged with an LNA to realize a receiver front end with a total dimension of 28 × 25 × 15 mm3. Measurement result showed an overall conversion gain around 35 dB, with local oscillator driving power around -45 dBm at operating temperature of 40 K.

Original languageEnglish
Article number1502405
Number of pages5
JournalIEEE Transactions on Applied Superconductivity
Issue number4
Early online date4 Jan 2017
Publication statusPublished - 30 Jun 2017


  • high temperature superconductor (HTS)
  • Josephson junction
  • mixer
  • MMIC
  • receiver front-end
  • simulation


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