Superconductive circuits and the general-purpose electronic simulator APLAC

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2 Citations (Scopus)


The general-purpose circuit simulator analysis program for linear active circuits (APLAC) is not widely known within the superconductor circuit community, regardless of its built-in Josephson junction model and capability of modeling the superconductive phase transition with controlled sources. We review the use of APLAC to model, e.g., noisy dc SQUIDs and transition-edge sensors. Based on an APLAC simulation, we also comment on the preference of voltage bias over current bias in dc SQUIDs in applications where large dynamic range and high bandwidth are simultaneously required.

Original languageEnglish
Article number9387129
Number of pages5
JournalIEEE Transactions on Applied Superconductivity
Issue number4
Publication statusPublished - Jun 2021
MoE publication typeA1 Journal article-refereed


  • Circuit simulation
  • Computational modeling
  • Inductance
  • Integrated circuit modeling
  • Josephson junctions
  • Junctions
  • Noise measurement
  • SQUIDs
  • Superconducting device noise
  • Superconducting integrated circuits
  • Superconducting photodetectors


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