DocumentCode :
2261079
Title :
A 2mA-2.5V low phase noise multi-standard VCO
Author :
Shah, Kriyang ; Singh, Jugdutt ; Le, Hai Phuong ; Devlin, John
Author_Institution :
La Trobe Univ., Melbourne, VIC, Australia
fYear :
2009
fDate :
24-27 May 2009
Firstpage :
2101
Lastpage :
2104
Abstract :
This paper presents the design of a voltage controlled oscillator (VCO) for multi-standard wireless receiver covering global standards for mobile (GSM), digital communication systems (DCS), personal communication systems (PCS), and universal mobile telecommunication system (UMTS) standards. An effective frequency planning scheme that requires the VCO to tune from 3.2 GHz to 4.1 GHz and generate multiple bands using frequency division is presented. The presented VCO design employs two current mirrors for efficient current control, a specially designed inductor with quality factor (Q) of 111, and multiple noise filtering techniques to reduce flicker noise components. The proposed multi-standard VCO is designed using 0.25 mum silicon-on-sapphire (SOS) technology and consumes only 5.18 mW power at 4.1 GHz operating frequency. The VCO achieves phase noise of -132 dBc/Hz and -141 dBc/Hz at 1 MHz and 3 MHz offsets respectively resulting in figure of merit (FOM) of -197 dBc/Hz/mW.
Keywords :
3G mobile communication; cellular radio; digital communication; flicker noise; microwave oscillators; microwave receivers; personal communication networks; phase noise; sapphire; silicon; voltage-controlled oscillators; Al2O3; DCS; GSM; Si; UMTS; VCO; current 2 mA; digital communication systems; flicker noise components; frequency 3.1 GHz to 4.1 GHz; global standards for mobile; low phase noise; multiple noise filtering; multistandard wireless receiver; personal communication systems; quality factor; silicon-on-sapphire; size 0.25 mum; universal mobile telecommunication system; voltage 2.5 V; voltage controlled oscillator; 1f noise; Communication standards; Digital communication; Distributed control; Frequency conversion; GSM; Personal communication networks; Phase noise; Telecommunication standards; Voltage-controlled oscillators;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Circuits and Systems, 2009. ISCAS 2009. IEEE International Symposium on
Conference_Location :
Taipei
Print_ISBN :
978-1-4244-3827-3
Electronic_ISBN :
978-1-4244-3828-0
Type :
conf
DOI :
10.1109/ISCAS.2009.5118209
Filename :
5118209
Link To Document :
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