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A LP/HP UMTS/GSM σ δ ADC suited for a Zero-IF/Low-IF receiver

  • Chadi Jabbour
  • , Hasham Khushk
  • , Hussein Fakhoury
  • , Van Tam Nguyen
  • , Patrick Loumeau
  • CNRS LTCI

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

Abstract

This paper presents the design of a reconfigurable Delta Sigma Analog to Digital Converter (ADC). Its main degree of liberty is the choice of the noise shaping among low pass and high pass. This reconfiguration parameter allows it to be adapted for both the Low-IF and the Zero-If receiver architectures. The ADC is GSM/UMTS compliant. It was designed in a 1.2 V 65 nm CMOS process. Electrical simulation results showed a SNDR of 84 dB for the GSM mode with a Low-IF frequency of 19.2 MHz and a SNDR of 77.4 dB for the UMTS at DC.

Original languageEnglish
Title of host publication2011 IEEE International Symposium of Circuits and Systems, ISCAS 2011
Pages1125-1128
Number of pages4
DOIs
Publication statusPublished - 2 Aug 2011
Externally publishedYes
Event2011 IEEE International Symposium of Circuits and Systems, ISCAS 2011 - Rio de Janeiro, Brazil
Duration: 15 May 201118 May 2011

Publication series

NameProceedings - IEEE International Symposium on Circuits and Systems
ISSN (Print)0271-4310

Conference

Conference2011 IEEE International Symposium of Circuits and Systems, ISCAS 2011
Country/TerritoryBrazil
CityRio de Janeiro
Period15/05/1118/05/11

Keywords

  • Analog to Digital Converter
  • Delta Sigma
  • Low-IF/Zero-IF receiver
  • Reconfiguration

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