DocumentCode
1674387
Title
A WLAN direct up-conversion mixer with automatic image rejection calibration
Author
Craninckx, Jan ; Debaillie, Björn ; Côme, Boris ; Donnay, Stéphane
Author_Institution
IMEC, Belgium
fYear
2005
Firstpage
546
Abstract
A direct upconverter for 5 to 6 GHz WLAN is presented that includes circuitry for automatic output spectrum calibration. For calibration, the RF signal is down-converted by reusing the up-conversion mixers, making the up- and down-conversion errors correlated. The transmit errors are determined based on only low-frequency measurements. The realized mixer achieves >40 dB image rejection.
Keywords
MMIC mixers; calibration; circuit feedback; correlation methods; wireless LAN; 5 to 6 GHz; WLAN; automatic image rejection calibration; automatic output spectrum calibration; calibration feedback circuitry; direct up-conversion mixer; direct upconverter; transmit error determination; up/down-conversion error correlation; Baseband; Calibration; Circuits; Filters; RF signals; Radio frequency; Signal analysis; Signal generators; Transceivers; Wireless LAN;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid-State Circuits Conference, 2005. Digest of Technical Papers. ISSCC. 2005 IEEE International
Conference_Location
San Francisco, CA
ISSN
0193-6530
Print_ISBN
0-7803-8904-2
Type
conf
DOI
10.1109/ISSCC.2005.1494111
Filename
1494111
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