A 60 GHz 360° phase shifter with 2.7° phase resolution and 1.4° RMS phase error in a 40-nm CMOS technology

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Abstract

This paper presents a vector modulator based active phase shifter for the 56-65 GHz frequency band in a 40-nm digital CMOS technology. The design comprises a magnetically-enhanced quadrature hybrid with better than 1-degree phase imbalance and 18 dB tuning range variable gain amplifiers with transformer broadband matching to generate 360° full-range phase tuning. It achieves 2.7° phase resolution for the first time. The rms phase error of the phase shifter is 1.4° and the rms gain error is 0.13 dB at 60 GHz. The insertion loss is 0.4 dB. The power consumption is 38 mW.

Original languageEnglish
Title of host publicationProceedings of the 2018 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2018
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages144-147
Number of pages4
ISBN (Electronic)978-1-5386-4545-1
ISBN (Print)978-1-5386-4546-8
DOIs
Publication statusPublished - 7 Aug 2018
Event2018 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2018 - Philadelphia, United States
Duration: 10 Jun 201812 Jun 2018

Conference

Conference2018 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2018
CountryUnited States
CityPhiladelphia
Period10/06/1812/06/18

Keywords

  • 60 GHz
  • Beam-forming
  • Beam-steering
  • phase resolution
  • Phase shifter
  • Phased Array

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