Title
A frequency synthesizer realized by a transformer-based voltage-controlled oscillator for IEEE 802.11a/b/g channels
Abstract
A fractional-N frequency synthesizer for IEEE 802.11a/b/g standard with the design focused on voltage controlled oscillator (VCO) is proposed in this paper. Unlike the traditional approach of tuning VCO oscillation frequencies by capacitive varactors, the proposed VCO with a voltage-controlled inductor, which is made by an integrated transformer technology, is adopted. A digital delta-sigma modulator realized with FPGA verification is employed for fractional-N purpose to meet IEEE 802.11a/b/g channels. The frequency synthesizer is simulated in 0.18-mum CMOS process with a loop-bandwidth of 300 KHz for a 32-MHz reference and the power dissipation is about 40 mW from a 1.8-V supply
Year
DOI
Venue
2006
10.1109/ISCAS.2006.1693804
ISCAS
Keywords
Field
DocType
cmos process,voltage-controlled inductor,transceivers,voltage-controlled oscillator,voltage-controlled oscillators,40 mw,32 mhz,ieee 802.11a/b/g channels,fpga verification,delta-sigma modulation,integrated transformer,1.8 v,integrated circuit design,frequency synthesizers,300 khz,fractional-n frequency synthesizer,field programmable gate arrays,digital delta-sigma modulator,0.18 micron,inductors,oscillations,integral transforms,cmos technology,frequency synthesizer,tuning,voltage controlled oscillator,power dissipation,delta sigma modulation
IEEE 802.11a-1999,Computer science,Transformer,Inductor,Electronic engineering,Voltage-controlled oscillator,Frequency synthesizer,Delta-sigma modulation,CMOS,Integrated circuit design,Electrical engineering
Conference
ISSN
ISBN
Citations 
0271-4302
0-7803-9389-9
0
PageRank 
References 
Authors
0.34
2
2
Name
Order
Citations
PageRank
Meng-Ting Tsai1252.61
Ching-Yuan Yang222736.15