A 6-bit Josephson flash A/D converter with GHz input bandwidth

  title={A 6-bit Josephson flash A/D converter with GHz input bandwidth},
  author={P. Bradley},
  journal={IEEE Transactions on Applied Superconductivity},
  • P. Bradley
  • Published 1993 in IEEE Transactions on Applied Superconductivity
Edge-triggered periodic comparators based on low-inductance superconducting quantum interference devices (SQUIDs) have been combined with a 5-mV step generator used as a clocked power supply to produce an analog-to-digital (A/D) converter with the widest input bandwidth of which the author is aware. The noise and linearity have been measured to be more than adequate for 6 b. Asynchronous beat frequency tests indicate that the current design is capable of about four effective bits resolution at… CONTINUE READING
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