UM
A new method of an IF I/Q demodulator for narrowband signals
Xue, R.1; Xu, Q.1; Chang, K.F.1; Tam, K.W.2
2005
Conference NameIEEE International Symposium on Circuits and Systems 2005, ISCAS 2005
Source PublicationProceedings - IEEE International Symposium on Circuits and Systems
Pages3817-3820
Conference Date5 23, 2005 - 5 26, 2005
Conference PlaceKobe, Japan
Author of SourceInstitute of Electrical and Electronics Engineers Inc.
AbstractI/Q demodulators have been widely used for demodulating quadrature modulated signals such as QPSK signal and GMSK signal. Conventional analog/digital I/Q demodulators have some serious disadvantages. In this paper we present two new digital I/Q demodulators for narrowband signals, in which digital filters will not be used. The simulation results are also presented. Due to the higher sample rate and resolution the influence of the quantization noise can be ignored. The new I/Q demodulators maintain the advantages of the earlier digital I/Q demodulator such as zero DC offset, matched channel frequency responses, but the structure of them are much more simple. © 2005 IEEE.
DOI10.1109/ISCAS.2005.1465462
Language英语
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.University of Macau;
2.Siliconwave Technologies Inc.
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Xue, R.,Xu, Q.,Chang, K.F.,et al. A new method of an IF I/Q demodulator for narrowband signals[C]//Institute of Electrical and Electronics Engineers Inc.,2005:3817-3820.
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