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

Publiceringsår: 2010
Språk: Engelska
Sidor: 517-520
Publikation/Tidskrift/Serie: Proceedings IEEE Radio Frequency Integrated Circuits Symposium (RFIC)
Dokumenttyp: Konferensbidrag
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


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.


  • Electrical Engineering, Electronic Engineering, Information Engineering
  • CMOS
  • Channel select filter
  • G(m)-C filter
  • linear
  • low-power
  • WLAN
  • WiMax


2010 IEEE Radio Frequency Integrated Circuits Symposium
  • Elektronikkonstruktion-lup-obsolete
  • Analog RF-lup-obsolete
  • ISSN: 1529-2517

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