Dual-Frequency-Bias Programmable Josephson Voltage Standard Circuit

Description

This paper presents a 2 V programmable Josephson voltage standard with dual microwave frequency inputs and multiple output taps. The design provides three main features: (1) output voltages with nanovolt resolution, (2) the ability to perform a microwave frequency self-check based on a null voltage measurement, and (3) additional voltage output taps providing simultaneous 10:1 (or 5:1) divided voltage reference for resistive divider calibration. With low heat dissipation this device is well suited for implementation with a compact cryocooler as a turnkey traveling system.

Resources

Name Format Description Link
8 Fig%206%20Keysight34420A-1mV%20range.csv https://data.nist.gov/od/ds/mds2-3604/Fig%206%20Keysight34420A-1mV%20range.csv
8 Fig%207%20N11-300uV%20range.csv https://data.nist.gov/od/ds/mds2-3604/Fig%207%20N11-300uV%20range.csv
8 Figure 3 dataset https://data.nist.gov/od/ds/mds2-3604/Fig%203%20current%20margins.csv
47 3604_README.txt https://data.nist.gov/od/ds/mds2-3604/3604_README.txt
8 Fig%204%202D-Quantum%20locking%20range%20density%20plot.csv https://data.nist.gov/od/ds/mds2-3604/Fig%204%202D-Quantum%20locking%20range%20density%20plot.csv
8 Fig%205%20Frequency%20verification-voltage%20measurement.csv https://data.nist.gov/od/ds/mds2-3604/Fig%205%20Frequency%20verification-voltage%20measurement.csv

Tags

  • josephson-arrays
  • measurement-techniques
  • superconducting-integrated-circuits
  • precision-measurements
  • voltage-measurement
  • standards

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