NDLI: Performance of subband HFB-based A/D converters

Content Provider	IEEE Xplore Digital Library
Author	Asemani, D. Oksman, J.
Copyright Year	2007
Description	Author affiliation: Dept. of Signal Process. & Electron. Syst., Ecole Super. d'Electricite, Gif-sur-Yvette (Asemani, D.; Oksman, J.)
Abstract	Subband Hybrid Filter Bank (HFB) structures may replace the classic ones in parallel A/D Converters (ADC). In this paper, subband and original HFB-based A/D converters are simulated and compared in the time domain. For this purpose, firstly a brief survey on subband HFB-based A/D converters is presented. According to the simulations, subband HFB-based ADC exhibits a lower sensitivity to realization errors than classic one. Besides, compensation techniques such as noise canceling may be used for correcting the analog imperfections of subband HFB. This is not possible for classic HFB. The output resolution of subband HFB-based ADC is shown to be better than the one related to classic architecture using FIR synthesis filters with the same order for some exemplary inputs. Computation complexity related to subband architecture is compared with the one due to classic structure. It may be seen that subband HFB-based ADC includes less computational complexity than the classic architecture if an adaptive compensation of analog imperfections is considered.
Starting Page	1
Ending Page	4
File Size	279154
Page Count	4
File Format	PDF
ISBN	9781424407781
DOI	10.1109/ISSPA.2007.4555354
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-02-12
Publisher Place	United Arab Emirates
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite impulse response filter Filter bank Computer architecture Matrix converters MIMO Frequency division multiplexing Signal processing Noise cancellation Computational complexity Adaptive filters
Content Type	Text
Resource Type	Article

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