A second harmonic suppression cmos crosscoupled vco using active inductor technique for wlan system applications

J. Y. Li, W. J. Lin, M. P. Houng, L. S. Chen

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

In this paper, a low phase-noise CMOS cross-coupled voltage-controlled oscillator (VCO) using an active inductor for wireless local area network (WLAN) applications is presented. The proposed VCO achieves low phase-noise by using the active inductor to suppress the second harmonic (2ω0) of LC tank. The VCO achieves −125.8 dBc/Hz phase-noise at 1MHz offset from the 2.33 GHz carrier frequency, and frequency tuning range is about 25% from 2.01 to 2.62GHz. This VCO consumes 2.3mA from a 1.8V supply with chip area of 0.75 × 0.64mm2.

Original languageEnglish
Pages (from-to)2077-2086
Number of pages10
JournalJournal of Electromagnetic Waves and Applications
Volume24
Issue number14-15
DOIs
Publication statusPublished - 2010 Jan 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Physics and Astronomy(all)
  • Electrical and Electronic Engineering

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