A Cryogenic CMOS Parametric Amplifier

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12 Citations (Scopus)

Abstract

We propose a phase-insensitive parametric amplifier featuring image cancelation and a doubly tuned transformer to enhance its bandwidth. Exploiting the reduced loss of passive components at cryogenic temperatures, the experimental characterization of a prototype shows a power gain of 9 dB with a bandwidth of 1.85 GHz for a pump frequency of 15.6 GHz and an image rejection of ~24 dB at 8.5 K. The amplifier consumes 33 mW in total at 8.5 K.
Original languageEnglish
Article number8887237
Pages (from-to)5-8
Number of pages4
JournalIEEE Solid State Circuits Letters
Volume3
Issue number1
DOIs
Publication statusPublished - 2020

Keywords

  • Bandwidth
  • Poles and zeros
  • Cryogenics
  • Gain
  • Varactors
  • CMOS technology
  • Cryogenic CMOS
  • parametric amplification
  • phaseinsensitive amplification
  • transformer
  • varactor

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