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A time-variant analysis of the 1/f2 phase noise in CMOS parallel LC-tank quadrature oscillators

Andreani, Pietro LU (2006) In IEEE Transactions on Circuits and Systems Part 1: Regular Papers 53(8). p.1749-1760
Abstract
This paper presents a study of 1/f/sup 2/ phase noise in quadrature oscillators built by connecting two differential LC-tank oscillators in a parallel fashion. The analysis clearly demonstrates the necessity of adopting a time-variant theory of phase noise, where a more simplistic, time-invariant approach fails to explain numerical simulation results even at the qualitative level. Two topologies of 5-GHz parallel quadrature oscillators are considered, and compact but nevertheless highly general, closed-form formulas are derived for the phase noise caused by the losses in the LC-tanks and by the noisy currents in the MOS transistors. A large number of spectreRF simulations, covering a wide range of working conditions for the oscillators, is... (More)
This paper presents a study of 1/f/sup 2/ phase noise in quadrature oscillators built by connecting two differential LC-tank oscillators in a parallel fashion. The analysis clearly demonstrates the necessity of adopting a time-variant theory of phase noise, where a more simplistic, time-invariant approach fails to explain numerical simulation results even at the qualitative level. Two topologies of 5-GHz parallel quadrature oscillators are considered, and compact but nevertheless highly general, closed-form formulas are derived for the phase noise caused by the losses in the LC-tanks and by the noisy currents in the MOS transistors. A large number of spectreRF simulations, covering a wide range of working conditions for the oscillators, is used to validate the theoretical analysis. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
IEEE Transactions on Circuits and Systems Part 1: Regular Papers
volume
53
issue
8
pages
1749 - 1760
publisher
IEEE - Institute of Electrical and Electronics Engineers Inc.
external identifiers
  • scopus:33747855563
ISSN
1549-8328
DOI
10.1109/TCSI.2006.879011
language
English
LU publication?
yes
id
e1999e17-16a8-461c-b774-c81205b82530 (old id 1049686)
date added to LUP
2016-04-01 11:46:17
date last changed
2022-02-25 21:08:00
@article{e1999e17-16a8-461c-b774-c81205b82530,
  abstract     = {{This paper presents a study of 1/f/sup 2/ phase noise in quadrature oscillators built by connecting two differential LC-tank oscillators in a parallel fashion. The analysis clearly demonstrates the necessity of adopting a time-variant theory of phase noise, where a more simplistic, time-invariant approach fails to explain numerical simulation results even at the qualitative level. Two topologies of 5-GHz parallel quadrature oscillators are considered, and compact but nevertheless highly general, closed-form formulas are derived for the phase noise caused by the losses in the LC-tanks and by the noisy currents in the MOS transistors. A large number of spectreRF simulations, covering a wide range of working conditions for the oscillators, is used to validate the theoretical analysis.}},
  author       = {{Andreani, Pietro}},
  issn         = {{1549-8328}},
  language     = {{eng}},
  number       = {{8}},
  pages        = {{1749--1760}},
  publisher    = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}},
  series       = {{IEEE Transactions on Circuits and Systems Part 1: Regular Papers}},
  title        = {{A time-variant analysis of the 1/f2 phase noise in CMOS parallel LC-tank quadrature oscillators}},
  url          = {{http://dx.doi.org/10.1109/TCSI.2006.879011}},
  doi          = {{10.1109/TCSI.2006.879011}},
  volume       = {{53}},
  year         = {{2006}},
}