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Calibration of mismatch effects in time-interleaved analog-to-digital converters
Norwegian University of Science and Technology, Faculty of Information Technology, Mathematics and Electrical Engineering, Department of Telematics.
2013 (English)MasteroppgaveStudent thesis
Abstract [en]

The performance of time-interleaved analogue-to-digital (A/D) converters is often significantly degraded by timing mismatch errors. In this project we explore methods for performing reconstruction of signals from recurrent non-uniform samples. We analyse how time-skews affect the spectrum of the output signal. Several methods for estimation of the unknown parameters (time-skew and gain), using techniques required only the outputs of the A/D converters, are represented in this paper. We also present a filter-bank which perform signal reconstruction from these estimates. It is assumed that the input signal is analog band-limited and that the time-skews, which are introduced by the system before each A/D, are smaller than the sampling interval. The system is described in time-domain.

Place, publisher, year, edition, pages
Institutt for elektronikk og telekommunikasjon , 2013. , 88 p.
URN: urn:nbn:no:ntnu:diva-22048Local ID: ntnudaim:9081OAI: diva2:646786
Available from: 2013-09-09 Created: 2013-09-09 Last updated: 2013-09-09Bibliographically approved

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