A 4.35-mW +22-dBm IIP3 continuously tunable channel select filter for WLAN/WiMax receivers in 90-nm CMOS

Mostafa Savadi Oskooei, Nasser Masoumi, Mahmud Kamarei, Henrik Sjöland

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review

5 Citations (SciVal)

Abstract

A low-power high linearity CMOS G(m)-C channel select filter for WLAN/WiMax receivers in 90-nm CMOS technology is presented. To reduce power consumption a biquad cell with simple architecture and few devices is used. A simple but efficient technique is also used to improve the linearity of the filter without increasing its power consumption. The cutoff frequency of the sixth order Butterworth low-pass filter can be tuned from 8.1 to 13.5 MHz for WLAN and WiMax applications. The measurement results show an in-band IIP3 of +22 dBm and an input referred noise of 75 nV/root Hz at a power consumption of 4.35 mW from a 1-V supply. The differential filter occupies a chip area of 0.239 mm(2) excluding pads.
Original languageEnglish
Title of host publicationProceedings IEEE Radio Frequency Integrated Circuits Symposium (RFIC)
PublisherIEEE - Institute of Electrical and Electronics Engineers Inc.
Pages517-520
Number of pages4
DOIs
Publication statusPublished - 2010
Event2010 IEEE Radio Frequency Integrated Circuits Symposium - Anaheim, California
Duration: 2010 May 232010 May 25

Publication series

Name
ISSN (Print)1529-2517

Conference

Conference2010 IEEE Radio Frequency Integrated Circuits Symposium
Period2010/05/232010/05/25

Subject classification (UKÄ)

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • CMOS
  • Channel select filter
  • G(m)-C filter
  • linear
  • low-power
  • WLAN
  • WiMax

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