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A low-IF/zero-IF reconfigurable receiver with two-step channel selection technique for multistandard applications
Mak P.-I.3; U S.-P.3; Martins R.P.3
2004-09-07
Conference NameIEEE International Symposium on Circuits and Systems
Source PublicationProceedings - IEEE International Symposium on Circuits and Systems
Volume4
Conference DateMAY 23-26, 2004
Conference PlaceVancouver, CANADA
Abstract

This paper presents a low-IF/zero-IF reconfigurable receiver for multistandard applications based on a two-step channel selection (2-SCS) technique. Such technique is mainly implemented by a reconfigurable sampling scheme, which can perform either programmable Analog-Double Quadrature Sampling (A-DQS) or Analog-Baseband Sampling (A-BS) to, first relax the front-end PLL-frequency synthesizer (PLL-FS) locking time and phase noise requirements, and second allow a low-IF architecture to be transformable to a zero-IF one with small overheads. In this way, the receiver can operate in low-IF mode for narrowband standards avoiding 1/f noise and DC offset, and alternatively, for wideband ones it can be reconfigured seamlessly in zero-IF mode to minimize image interference. The operating principles, design considerations and circuit implementation of such scheme for multistandard applications, that include Bluetooth, HomeRF and IEEE 802.11FH, will demonstrate the flexibility of such topology.

URLView the original
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Engineering ; Imaging Science & Photographic Technology ; Telecommunications
WOS SubjectComputer Science, Hardware & Architecture ; Engineering, Biomedical ; Engineering, Electrical & Electronic ; Imaging Science & Photographic Technology ; Telecommunications
WOS IDWOS:000223102600105
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Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Faculty of Science and Technology
Affiliation1.Chipidea Microelectronics Ltd
2.Instituto Superior Técnico
3.Universidade de Macau
Recommended Citation
GB/T 7714
Mak P.-I.,U S.-P.,Martins R.P.. A low-IF/zero-IF reconfigurable receiver with two-step channel selection technique for multistandard applications[C],2004.
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