A reconfigurable receiver with 38 dB frequency-independent blocker suppression and enhanced in-B and linearity and power efficiency

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Abstract

This paper presents a reconfigurable receiver with frequency-independent blocker suppression in a 40nm CMOS technology. In linear mode, the receiver achieves an in-band B1dBof -25.7 dBm at 1MHz offset with 34 dB gain setting. In nonlinear mode, blocker suppression is achieved by dynamically adapting a nonlinear transfer function according to the blocker amplitude. In the presence of a 0 to 9.6 dBm blocker, the receiver provides more than 38 dB of frequency-independent suppression, while consuming 8.7-15.7 mW in the RF stage. The maximum attainable blocker level exceeds PDC-5dB. The measured in-band B1dBis from -2.8 to 8 dBm at 1MHz offset for different settings. The measured blocker NF is 15.47 dB with a 1.95 dBm blocker.
Original languageEnglish
Title of host publicationESSCIRC 2018 - IEEE 44th European Solid State Circuits Conference (ESSCIRC)
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages74-77
Number of pages4
ISBN (Electronic)978-1-5386-5404-0
DOIs
Publication statusPublished - 16 Oct 2018
Event44th IEEE European Solid State Circuits Conference, ESSCIRC 2018 - Dresden, Germany
Duration: 3 Sep 20186 Sep 2018

Conference

Conference44th IEEE European Solid State Circuits Conference, ESSCIRC 2018
Abbreviated titleESSCIRC 2018
CountryGermany
CityDresden
Period3/09/186/09/18

Keywords

  • CMOS integrated circuits
  • radio receivers
  • radiofrequency integrated circuits
  • transfer functions
  • reconfigurable receiver
  • linear mode
  • nonlinear mode
  • nonlinear transfer function
  • blocker amplitude
  • maximum attainable blocker level
  • measured blocker NF
  • CMOS technology
  • frequency-independent blocker suppression
  • noise figure 15.47 dB
  • power 8.7 mW to 15.7 mW
  • size 40.0 nm
  • gain 34.0 dB
  • B
  • B1dB
  • NF
  • Radio frequency
  • Receivers
  • Gain
  • Interference suppression
  • Noise figure
  • Transfer functions
  • Full duplex
  • in-band linearity
  • nonlinear interference suppression

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