Development of low phase noise digitally controlled CMOS ring oscillator with quadrature outputs

Prapto Nugroho, Ramesh Pokharel, Awinash Anand, Abishek Tomar, Haruichi Kanaya, Keiji Yoshida

研究成果: ジャーナルへの寄稿記事

抄録

This article present a development of low phase noise 14-bit digitally controlled oscillator (DCO) based on ring oscillator with quadrature output in 0.18-μm CMOS technology. Proposed design use digital control and feed-forward technique to obtain wider output swing and stable quadrature output on even number of stages respectively. Designed DCO has tuning frequency range from 212 MHz to 1 GHz. Phase noise at 1-MHz frequency offset is -123.93 dBc/Hz, which is the lowest among the recently published result.

元の言語英語
ページ(範囲)1479-1483
ページ数5
ジャーナルMicrowave and Optical Technology Letters
54
発行部数6
DOI
出版物ステータス出版済み - 6 1 2012

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Phase noise
quadratures
CMOS
oscillators
output
rings
Tuning
frequency ranges
tuning

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

これを引用

Development of low phase noise digitally controlled CMOS ring oscillator with quadrature outputs. / Nugroho, Prapto; Pokharel, Ramesh; Anand, Awinash; Tomar, Abishek; Kanaya, Haruichi; Yoshida, Keiji.

:: Microwave and Optical Technology Letters, 巻 54, 番号 6, 01.06.2012, p. 1479-1483.

研究成果: ジャーナルへの寄稿記事

Nugroho, Prapto ; Pokharel, Ramesh ; Anand, Awinash ; Tomar, Abishek ; Kanaya, Haruichi ; Yoshida, Keiji. / Development of low phase noise digitally controlled CMOS ring oscillator with quadrature outputs. :: Microwave and Optical Technology Letters. 2012 ; 巻 54, 番号 6. pp. 1479-1483.
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