DocumentCode
2890559
Title
Efficient Transmitter Self-Calibration and Amplifier Linearization Techniques
Author
Huang, Xinping ; Caron, Mario
Author_Institution
Commun. Res. Centre, Ottawa, Ont.
fYear
2007
fDate
27-30 May 2007
Firstpage
265
Lastpage
268
Abstract
This paper shows how RF circuit imperfections such as imbalances in the quadrature vector modulator and nonlinearities in the power amplifier can be effectively mitigated digitally at baseband. Two patented techniques, one for vector modulator calibration, and the other for power amplifier linearization, are described. Simulation and experimental results are included to demonstrate the performance improvement.
Keywords
calibration; linearisation techniques; modulators; power amplifiers; amplifier linearization techniques; power amplifier linearization; quadrature vector modulator; transmitter self-calibration; vector modulator calibration; Calibration; Circuits; Linearization techniques; Low pass filters; Power amplifiers; Pulse amplifiers; Pulse modulation; Radio frequency; Radiofrequency amplifiers; Transmitters;
fLanguage
English
Publisher
ieee
Conference_Titel
Circuits and Systems, 2007. ISCAS 2007. IEEE International Symposium on
Conference_Location
New Orleans, LA
Print_ISBN
1-4244-0920-9
Electronic_ISBN
1-4244-0921-7
Type
conf
DOI
10.1109/ISCAS.2007.378386
Filename
4252622
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