A 240-MHz low-pass filter with variable gain in 65-nm CMOS for a UWB radio receiver

  • Authors:

  • Ville Saari;Mikko Kaltiokallio;Saska Lindfors;Jussi Ryynänen;Kari A. I. Halonen

  • Affiliations:

  • Electronic Circuit Design Laboratory, Department of Micro and Nanosciences, Helsinki University of Technology, Espoo, Finland;Electronic Circuit Design Laboratory, Department of Micro and Nanosciences, Helsinki University of Technology, Espoo, Finland;Texas Instruments Incorporated, Espoo, Finland and Electronic Circuit Design Laboratory, Department of Micro and Nanosciences, Helsinki University of Technology, Espoo, Finland;Electronic Circuit Design Laboratory, Department of Micro and Nanosciences, Helsinki University of Technology, Espoo, Finland;Electronic Circuit Design Laboratory, Department of Micro and Nanosciences, Helsinki University of Technology, Espoo, Finland

  • Venue:
  • IEEE Transactions on Circuits and Systems Part I: Regular Papers
  • Year:
  • 2009

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Abstract

This paper presents the novel design of a second-order continuous-time low-power and low-voltage ΣΔ modulator. The modulator illustrates a design philosophy based on taking advantage of the extended number of degrees of freedom of the floating-gate ...