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Statistical Spectra and Distortion Analysis of Time-Interleaved Sampling Bandwidth Mismatch

Time interleaving is one of the most efficient techniques employed in the design of high-speed sampled-data systems. However, the mismatches appearing among different channels will create distortion tones that will degrade the system performance. This paper presents a detailed analysis of the effect...

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Published in:IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2008-07, Vol.55 (7), p.648-652
Main Authors: Sin, Sai-Weng, Chio, U.-F., Seng-Pan, U., Martins, R.P.
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Language:English
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description Time interleaving is one of the most efficient techniques employed in the design of high-speed sampled-data systems. However, the mismatches appearing among different channels will create distortion tones that will degrade the system performance. This paper presents a detailed analysis of the effect of sampling bandwidth mismatches in the statistical behavior of time-interleaved sampling systems. Closed-form and handy signal-to-noise distortion ratio formulas will also be derived which allow quick evaluation of the system performance, and the MATLAB simulations are provided in order to verify the effectiveness of those formulas. Finally, the corresponding design procedure extracted from the formulas will be further addressed through a design example.
doi_str_mv 10.1109/TCSII.2008.921600
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ispartof IEEE transactions on circuits and systems. II, Express briefs, 2008-07, Vol.55 (7), p.648-652
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1558-3791
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subjects Bandwidth
Bandwidth mismatches
Circuits
Degradation
Design engineering
Distortion
Frequency
High speed
Laboratories
Mathematical analysis
Matlab
sampled-data systems
Sampling
Sampling methods
Silicon compounds
Spectra
System performance
time-interleaved (TI) analog-to-digital converter (ADC)
Very large scale integration
title Statistical Spectra and Distortion Analysis of Time-Interleaved Sampling Bandwidth Mismatch
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