DocumentCode
1722008
Title
The effect of quadrature modulator and demodulator errors on adaptive digital predistorters
Author
Cavers, James K.
Author_Institution
Dept. of Eng. Sci., Simon Fraser Univ., Burnaby, BC, Canada
Volume
2
fYear
1996
Firstpage
1205
Abstract
Imperfections in quadrature modulators and demodulators-gain and phase imbalance and DC offset-have a crippling effect on amplifier linearization circuits. This paper determines the required accuracy of the quadrature modulator and demodulator as a tradeoff between intermodulation power and speed of adaptation
Keywords
demodulators; digital circuits; error analysis; intermodulation; linearisation techniques; modulators; power amplifiers; radiofrequency amplifiers; transceivers; DC offset; adaptation speed; adaptive digital predistorters; amplifier linearization circuits; demodulator errors; gain; intermodulation; phase imbalance; quadrature modulator; Baseband; Circuits; Delay; Demodulation; Digital modulation; Phase modulation; Power amplifiers; Signal processing; Table lookup; Transceivers;
fLanguage
English
Publisher
ieee
Conference_Titel
Vehicular Technology Conference, 1996. Mobile Technology for the Human Race., IEEE 46th
Conference_Location
Atlanta, GA
ISSN
1090-3038
Print_ISBN
0-7803-3157-5
Type
conf
DOI
10.1109/VETEC.1996.501503
Filename
501503
Link To Document