Embedded DiCAD linear phase shifter for 57-65GHz reconfigurable direct frequency modulation in 90nm CMOS

Tim LaRocca*, Jenny Liu, Frank Wang, Mau-Chung Chang

*Corresponding author for this work

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

17 Scopus citations

Abstract

A digitally controlled artificial dielectric (DiCAD) differential transmission line is designed to perform agile linear phase shift over 100° with thermometer-coded 16step control. It also operates with a 16 gain-step VGA to enable re-configurable and direct-frequency modulation at 60GHz with 256 2 states (1.1° angular and 0.0007 magnitude resolutions) and -31dB static EVM for multiple PSK/QAM modulations. The modulator uses 0.33mm2 core area in 90nm CMOS and consumes 10mA at 1V.

Original languageEnglish
Title of host publicationProceedings of the 2009 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2009
Pages219-222
Number of pages4
DOIs
StatePublished - 6 Nov 2009
Event2009 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2009 - Boston, MA, United States
Duration: 7 Jun 20099 Jun 2009

Publication series

NameDigest of Papers - IEEE Radio Frequency Integrated Circuits Symposium
ISSN (Print)1529-2517

Conference

Conference2009 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2009
CountryUnited States
CityBoston, MA
Period7/06/099/06/09

Keywords

  • CMOS
  • Differential amplifiers
  • Millimeter wave phase shifters
  • Permittivity
  • Quadrature amplitude modulation

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    LaRocca, T., Liu, J., Wang, F., & Chang, M-C. (2009). Embedded DiCAD linear phase shifter for 57-65GHz reconfigurable direct frequency modulation in 90nm CMOS. In Proceedings of the 2009 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2009 (pp. 219-222). [5135526] (Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium). https://doi.org/10.1109/RFIC.2009.5135526