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Linearity enhancement in a configurable sigma-delta modulator
KTH, School of Information and Communication Technology (ICT), Electronic, Computer and Software Systems, ECS.ORCID iD: 0000-0003-3802-7834
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
KTH, School of Information and Communication Technology (ICT), Electronic, Computer and Software Systems, ECS.
2005 (English)In: IEEE-NEWCAS Conference, 2005. The 3rd International / [ed] IEEE, IEEE conference proceedings, 2005, 59-62 p.Conference paper, Published paper (Refereed)
Abstract [en]

A highly linear sigma-delta modulator for dual-standard receivers is presented. The modulator makes use of low-distortion sigma-delta modulator architecture to attain high linearity over a wide bandwidth. The dual-band modulator employs a 2nd order single-bit sigma-delta modulator with feedforward path for GSM mode and a 4th order modified cascaded modulator with single-bit in the first stage and 4-bit in the second for WCDMA mode. The modulator is designed in TSMC 0.18μm CMOS technology and operates at 1.8 supply voltage. It achieves in GSM/WCDMA mode a peak SNDR of 83/75dB, a 96/84dB SFDR and an IMD3 of -93/-82dB for an OSR of 160/16.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2005. 59-62 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-58777DOI: 10.1109/NEWCAS.2005.1496663Scopus ID: 2-s2.0-33745766467ISBN: 0-7803-8934-4 (print)OAI: oai:DiVA.org:kth-58777DiVA: diva2:473977
Conference
NEWCAS 2005, The 3rd International IEEE-NEWCAS Conference, Quebec City, Canada, 19-22 June, 2005
Note

QC 20120110

Available from: 2012-01-08 Created: 2012-01-08 Last updated: 2012-10-02Bibliographically approved

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Rusu, Ana

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf