DocumentCode
2869512
Title
A Linear Uplink WCDMA Modulator with 156dBc/Hz Downlink SNR
Author
Papadopoulos, Dimitris F G ; Huang, Qiuting
Author_Institution
Adv. Circuit Pursuit, Zollikon
fYear
2007
fDate
11-15 Feb. 2007
Firstpage
338
Lastpage
607
Abstract
A linearity-boosting technique for upconversion mixers enables a 0.13mum CMOS WCDMA modulator to achieve -49dBc ACLR and -l56dBc/Hz SNR. The chip consumes 113mW from a 1.2V supply. It is suitable for SAW-filter-free TX implementations. Results show that this technique improves the mixer IIP3 by 6dB
Keywords
CMOS analogue integrated circuits; code division multiple access; modulators; radio transmitters; 0.13 micron; 1.2 V; 113 mW; CMOS WCDMA modulator; SAW-filter-free transmitter; linear uplink WCDMA modulator; linearity-boosting technique; upconversion mixer; Baseband; Circuits; Downlink; Linearity; Multiaccess communication; Noise figure; SAW filters; Signal to noise ratio; Switches; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid-State Circuits Conference, 2007. ISSCC 2007. Digest of Technical Papers. IEEE International
Conference_Location
San Francisco, CA
ISSN
0193-6530
Print_ISBN
1-4244-0853-9
Electronic_ISBN
0193-6530
Type
conf
DOI
10.1109/ISSCC.2007.373432
Filename
4242403
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