More on the 1/f(2) phase noise performance of CMOS differential-pair LC-tank oscillators

Publication: Research - peer-reviewJournal article – Annual report year: 2006

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More on the 1/f(2) phase noise performance of CMOS differential-pair LC-tank oscillators. / Andreani, Pietro; Fard, Ali.

In: I E E E Journal of Solid State Circuits, Vol. 41, No. 12, 2006, p. 2703-2712.

Publication: Research - peer-reviewJournal article – Annual report year: 2006

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Andreani, Pietro; Fard, Ali / More on the 1/f(2) phase noise performance of CMOS differential-pair LC-tank oscillators.

In: I E E E Journal of Solid State Circuits, Vol. 41, No. 12, 2006, p. 2703-2712.

Publication: Research - peer-reviewJournal article – Annual report year: 2006

Bibtex

@article{fb2a2e4bf2c24325875c4ff1ccdb4e53,
title = "More on the 1/f(2) phase noise performance of CMOS differential-pair LC-tank oscillators",
publisher = "I E E E",
author = "Pietro Andreani and Ali Fard",
note = "Copyright: 2006 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE",
year = "2006",
doi = "10.1109/JSSC.2006.884188",
volume = "41",
number = "12",
pages = "2703--2712",
journal = "I E E E Journal of Solid State Circuits",
issn = "0018-9200",

}

RIS

TY - JOUR

T1 - More on the 1/f(2) phase noise performance of CMOS differential-pair LC-tank oscillators

A1 - Andreani,Pietro

A1 - Fard,Ali

AU - Andreani,Pietro

AU - Fard,Ali

PB - I E E E

PY - 2006

Y1 - 2006

N2 - This paper presents a rigorous phase noise analysis in the 1/f2 region for the differential CMOS LC-tank oscillator with both nMOS and pMOS switch pairs. A compact, closed-form phase noise equation is obtained, accounting for the noise contributions from both tank losses and transistors currents, which allows a robust comparison between LC oscillators built with either one or two switch pairs. The fabricated oscillator prototype is tunable between 2.15 and 2.35 GHz, and shows a phase noise of -144 dBc/Hz at 3 MHz offset from the 2.3 GHz carrier for a 4 mA bias current. The phase noise figure-of-merit is practically constant across the tuning range, with a minimum of 191.5 dBc/Hz. A reference single-switch-pair oscillator has been implemented and tested as well, and the difference between the phase noise levels displayed by the two oscillators is very nearly the one expected from theory

AB - This paper presents a rigorous phase noise analysis in the 1/f2 region for the differential CMOS LC-tank oscillator with both nMOS and pMOS switch pairs. A compact, closed-form phase noise equation is obtained, accounting for the noise contributions from both tank losses and transistors currents, which allows a robust comparison between LC oscillators built with either one or two switch pairs. The fabricated oscillator prototype is tunable between 2.15 and 2.35 GHz, and shows a phase noise of -144 dBc/Hz at 3 MHz offset from the 2.3 GHz carrier for a 4 mA bias current. The phase noise figure-of-merit is practically constant across the tuning range, with a minimum of 191.5 dBc/Hz. A reference single-switch-pair oscillator has been implemented and tested as well, and the difference between the phase noise levels displayed by the two oscillators is very nearly the one expected from theory

U2 - 10.1109/JSSC.2006.884188

DO - 10.1109/JSSC.2006.884188

JO - I E E E Journal of Solid State Circuits

JF - I E E E Journal of Solid State Circuits

SN - 0018-9200

IS - 12

VL - 41

SP - 2703

EP - 2712

ER -