DocumentCode
1838206
Title
A CMOS transmit/receive IF chip-set for WCDMA mobiles
Author
Dasgupta, U. ; Wooi Gan Yeoh ; Chun Geik Tan ; Sheng Jau Wong ; Mori, H. ; Singh, R. ; Itoh, M.
Author_Institution
Inst. of Microelectron., Singapore
fYear
2002
fDate
3-4 June 2002
Firstpage
195
Lastpage
198
Abstract
A transmit/receive IF chip-set integrating modulator/demodulator and AGCs for WCDMA mobiles in 0.35 /spl mu/m CMOS process is presented. Circuit innovations that achieve linear-in-dB gain control for wide-dynamic range AGCs with compensation against temperature and process variations to meet stringent specifications overcoming the limitations of CMOS technology are reported.
Keywords
CMOS analogue integrated circuits; automatic gain control; cellular radio; code division multiple access; intermediate-frequency amplifiers; modems; transceivers; 3G wireless receivers; AGC; CMOS process; Gilbert cell topology; WCDMA mobiles; WCDMA transceivers; linearity error; modulator/demodulator; quadrature modulator; transmit/receive IF chipset; wide-dynamic range; CMOS process; CMOS technology; Coupling circuits; Demodulation; Frequency; Gain control; Multiaccess communication; Radiofrequency amplifiers; Radiofrequency integrated circuits; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Radio Frequency Integrated Circuits (RFIC) Symposium, 2002 IEEE
Conference_Location
Seattle, WA, USA
ISSN
1529-2517
Print_ISBN
0-7803-7246-8
Type
conf
DOI
10.1109/RFIC.2002.1012030
Filename
1012030
Link To Document