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It is tempting when pushing the limits of analog-to-digitalconversion to consider interleaving two or more convertersto increase the sample rate (Figure 1). However, such designsmust take into consideration several possible sourcesof error.The first consideration is the bandwidth of the converters.For example, if the bandwidth of the converters is just overhalf their sampling rate, then it would not do much good tointerleave them. Fortunately, the bandwidth of most converterswhich currently “push the envelope” is often manytimes higher than their sample rate since these converters areoften used in undersampling situations.