A 2.6 mW single-ended positive feedback LNA for 5G applications

Sana Arshad, Azam Beg, Rashad Ramzan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This paper presents the design of a single-ended positive feedback Common Gate (CG) Low Noise Amplifier (LNA) for 5G applications. Positive feedback is utilized to achieve the trade-off between the input matching, the gain and the noise factor (NF) of the LNA. The positive feedback inherently cancels the noise produced by the input CG transistor. The proposed LNA is designed and fabricated in 150 nm CMOS by L-Foundry. At 1.41 GHz, the measured S11 and S22 are better than -20 dB and -8.4 dB, respectively. The highest voltage gain is 16.17 dB with a NF of 3.64 dB. The complete chip has an area of 1 mm2. The LNA's power dissipation is only 2.6 mW with a 1 dB compression point of -13 dBm. The simple, low power and single-ended architecture of the proposed LNA allows it to be implemented in phase array and Multiple Input Multiple Output (MIMO) radars, which have limited input and output pads and constrained power budgets for on-board components.

Original languageEnglish
Title of host publicationISLPED 2018 - Proceedings of the 2018 International Symposium on Low Power Electronics and Design
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781450357043
DOIs
Publication statusPublished - Jul 23 2018
Event23rd IEEE/ACM International Symposium on Low Power Electronics and Design, ISLPED 2018 - Bellevue, United States
Duration: Jul 23 2018Jul 25 2018

Publication series

NameProceedings of the International Symposium on Low Power Electronics and Design
ISSN (Print)1533-4678

Other

Other23rd IEEE/ACM International Symposium on Low Power Electronics and Design, ISLPED 2018
Country/TerritoryUnited States
CityBellevue
Period7/23/187/25/18

Keywords

  • 5G LNA
  • Common gate LNA
  • Low power LNA
  • MIMO LNA
  • Noise canceling
  • Positive feedback
  • Single-ended LNA

ASJC Scopus subject areas

  • General Engineering

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