A multi-standard digital envelope modulator for polar transmitters in 90nm CMOS

Paul T.M. van Zeijl, Manel Collados

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

13 Citations (Scopus)

Abstract

A Multi-Standard Digital Envelope Modulator for a polar transmitter has been designed in a 90nm digital CMOS process for 802.11a/b/g and Bluetooth Medium-Rate. The digital modulator reaches an output power of 9dBm for 54Mbit/s using 64QAM and fulfilling EVM specifications and spectral mask requirements while consuming 108mW. An output power of 14dBm is reached for 3Mbit/s Bluetooth Medium Rate at 204mW power consumption. Due to 4-phase clocking, envelope aliases at the first, second and third clock harmonic are almost completely cancelled, without the need for envelope-data-interpolation.

Original languageEnglish
Title of host publicationProceedings of the 2007 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2007
PublisherInstitute of Electrical and Electronics Engineers
Pages373-376
Number of pages4
ISBN (Print)1-4244-0530-0
DOIs
Publication statusPublished - 2007
Externally publishedYes
Event2007 IEEE Radio Frequency Integrated Circuits Symposium (RFIC 2007) - Honolulu, United States
Duration: 3 Jun 20075 Jun 2007

Conference

Conference2007 IEEE Radio Frequency Integrated Circuits Symposium (RFIC 2007)
Abbreviated titleRFIC 2007
Country/TerritoryUnited States
CityHonolulu
Period3/06/075/06/07

Keywords

  • Bluetooth
  • Digital transmitters
  • Multistandard
  • OFDM
  • Polar transmitter
  • Power amplifiers
  • WLAN

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