A 6.2 mW 0.024 mm2 Fully-passive RF Downconverter with 12 dB Gain Enhancement using MOS Parametric Amplification

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Abstract

This paper describes a fully-passive discrete-time switched-capacitor RF downconverter with an on-chip oscillator, that combines quadrature mixing and harmonic rejection, designed in a 130nm digital CMOS technology. By using MOS capacitors (varactors) to perform parametric amplification, it is possible to achieve a measured gain enhancement of about 12dB, together with 21dB noise figure and more than 5dBm IIP3. Operating in the VHF-III band, the downconverter core dissipates 6.2mW and occupies 0.024mm2.
Original languageEnglish
Pages (from-to)299-304
JournalAnalog Integrated Circuits and Signal Processing
Volume75
Issue number2
DOIs
Publication statusPublished - 1 Jan 2013

Keywords

  • Downconversion
  • Mixer
  • Parametric amplification

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