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Effect of bit-threshold errors on the harmonic and intermodulationperformance of successive approximation A/D converters

Abuelma’atti, M.T. (1993) Effect of bit-threshold errors on the harmonic and intermodulationperformance of successive approximation A/D converters. Communications, IEEE Transactions on, 41.

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Abstract

A simple approach is described for predicting the harmonic and intermodulation performance of a real successive approximation analog-to-digital converter (ADC) with bit-threshold errors. The real ADC characteristic is split into an ideal staircase characteristic, representing the ideal ADC characteristic, minus a train of pulses, representing the bit-threshold errors. Series expressions are obtained for the output spectra of the real ADC excited by a multicarrier input signal with arbitrary amplitudes. The special case of two equal-amplitude carriers is considered in detail, and analytical expressions are obtained for the amplitudes of the harmonic and intermodulation products in terms of the individual bit-threshold errors. The feasibility of minimizing the amplitudes of the intermodulation products is explored



Item Type:Article
Date:August 1993
Date Type:Publication
Subjects:Computer
Divisions:College Of Engineering Sciences > Electrical Engineering Dept
Creators:Abuelma’atti, M.T.
Email:mtaher@kfupm.edu.sa
ID Code:14079
Deposited By:KFUPM ePrints Admin
Deposited On:24 Jun 2008 16:21
Last Modified:12 Apr 2011 13:15

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