Wideband Low Noise Amplifiers for mm-Wave 5G Application using Capacitive Feedback Technique in 22nm FDSOI

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Abstract

This paper presents two cascode LNA with capacitive drain-to-source feedback in 22nm FDSOI process technology. The input is noise matched for low noise figure while the drain to source capacitive feedback improves the input conjugate matching without degrading the noise figure. A gain of 22dB with a 3dB bandwidth from 20-30 GHz is achieved with the first design targeted towards 5G applications. The simulated noise figure is between 2.77-3.4dB. The second LNA design adopts the same technique but is designed for a high gain. A gain of 27dB with 3dB bandwidth from 18-25 GHz is achieved. The noise figure is between 2.82-3.4dB. Both designs consume less than 39mW of power from a 1V power supply.

Original languageBritish English
Title of host publication2021 28th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2021 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728182810
DOIs
StatePublished - 2021
Event28th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2021 - Dubai, United Arab Emirates
Duration: 28 Nov 20211 Dec 2021

Publication series

Name2021 28th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2021 - Proceedings

Conference

Conference28th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2021
Country/TerritoryUnited Arab Emirates
CityDubai
Period28/11/211/12/21

Keywords

  • 5G
  • capacitive
  • cascode
  • feedback
  • gain
  • inductor
  • LNA
  • noise figure
  • receiver
  • wideband

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