DocumentCode
2945993
Title
A 1.5-V 3~10-GHz 0.18-μm CMOS frequency synthesizer for MB-OFDM UWB applications
Author
Huang, Zue-Der ; Kuo, Fong-Wei ; Wang, Wen-Chieh ; Wu, Chung-Yu
Author_Institution
Nanoelectronics and Gigascale Systems Laboratory, Institute of Electronics, National Chiao Tung University, Hsinchu 300, Taiwan
fYear
2008
fDate
15-20 June 2008
Firstpage
229
Lastpage
232
Abstract
An Ultra wide band (UWB) frequency synthesizer is designed and fabricated in 0.18-μm CMOS technology to generate all the carrier frequencies for 13 bands distributed from 3 to 10 GHz. It is composed of one phase-locked loop (PLL) and three single-side band (SSB) mixers. The polyphase filter is used to generate all needed quadrature signals in the circuit and band selectors are to select the frequency band. The sideband rejection can be over 30dB. The switching time between bands is around 3.75ns. The current consumption is 72mA under 1.5-V power supply.
Keywords
Amplitude modulation; CMOS technology; Circuits; Filters; Frequency conversion; Frequency synthesizers; Phase frequency detector; Phase locked loops; Radio spectrum management; Voltage-controlled oscillators; MB-OFDM; PLL; SSB mixer; UWB; frequency synthesizer; polyphase filter;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Symposium Digest, 2008 IEEE MTT-S International
Conference_Location
Atlanta, GA, USA
ISSN
0149-645X
Print_ISBN
978-1-4244-1780-3
Electronic_ISBN
0149-645X
Type
conf
DOI
10.1109/MWSYM.2008.4633145
Filename
4633145
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