Low noise wide tuning range quadrature ring oscillator for multi-standard transceiver

Oleg Nizhnik, Ramesh K. Pokharel, Haruichi Kanaya, Keiji Yoshida

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)

Abstract

This letter presents a low phase noise quadrature ring oscillator with new start-up circuit. The oscillator architecture is a two-stage differential ring with an additional pair of transition-assistance transistors. The circuit was implemented in 0.18 μm CMOS technology and the measured tuning range of the prototype device is from 1.7 GHz to 5.5 GHz and figure of merit (FOM) is - 162 dB. The proposed area of application is the core of the local oscillator in a multi-standard wireless transceiver.

Original languageEnglish
Article number5109488
Pages (from-to)470-472
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume19
Issue number7
DOIs
Publication statusPublished - Jul 2009

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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