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OverviewThis work focuses on the subject of image rejection in wireless receiver design, which is important as a high level of integration is demanded in mobile terminals. In this book, the image rejection problems in various receiver architectures which are suitable for high level of integration, including image-reject, direct conversion and low IF architectures, are studied. The fundamental source of the limitation of the image rejection in these receivers is the imbalance between their in-phase (I) and quadrature (Q) channels, which becomes more problematic when the receivers are of wideband. Besides traditional methods, this book provides alternative solutions to the problem, which falls into two broad types. The first type refers to new circuits that produce less I/Q imbalance. This includes high performance switched-capacitor Hilbert transformers and precise quadrature sampling circuits. The second type is to compensate the I/Q imbalance, which is possibly frequency-dependent, in digital domain by calibration or signal processing techniques. Design examples have been included. Full Product DetailsAuthor: Kong-Pang Pun , José Epifanio da Franca , Carlos Azeredo-LemePublisher: Springer-Verlag New York Inc. Imprint: Springer-Verlag New York Inc. Edition: 2003 ed. Volume: 728 Dimensions: Width: 15.60cm , Height: 1.40cm , Length: 23.40cm Weight: 1.080kg ISBN: 9781402074158ISBN 10: 1402074158 Pages: 208 Publication Date: 31 March 2003 Audience: College/higher education , Professional and scholarly , Undergraduate , Postgraduate, Research & Scholarly Format: Hardback Publisher's Status: Active Availability: In Print  This item will be ordered in for you from one of our suppliers. Upon receipt, we will promptly dispatch it out to you. For in store availability, please contact us. Table of Contents1 Introduction.- 2 Wireless Receivers: Architectures and Image Rejection.- 3 Wideband 90° Phase Shifters.- 4 Sampled-Data Image-Rejection Receiver.- 5 Precise Quadrature Signal Generation by Sampling.- 6 Digital Calibration of I/Q Mismatches.- 7 Blind Compensation of I/Q Mismatches.- 8 Conclusions.ReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |
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