DocumentCode
1318860
Title
Automatic adjustment of quadrature modulators
Author
Faulkner, Michael ; Mattsson, Thomas
Author_Institution
Dept. of Electr. & Electron. Eng., Victoria Univ. of Technol., Melbourne, Vic., Australia
Volume
27
Issue
3
fYear
1991
Firstpage
214
Lastpage
216
Abstract
A technique for the automatic correction of errors in RF quadrature modulators is described. The method uses a diode detector to provide amplitude feedback to guide the adaptation of baseband circuits that correct for carrier leak, differential gain and phase mismatch errors.
Keywords
adaptive control; mobile radio systems; phase shift keying; QPSK; RF quadrature modulators; adaptation of baseband circuits; amplitude feedback; automatic correction of errors; carrier leak correction; differential gain correction; diode detector; phase mismatch error correction; quadrature modulators automatic adjustment;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19910139
Filename
83217
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