Abstract
AbstractThis paper describes multitone curve‐fitting algorithms for accurate determination of intermodulation distortion products in the multitone testing of ADCs used in communication applications and the like. Accuracy of our curve‐fitting algorithms for coherent sampling (input frequencies known) and incoherent sampling (input frequencies unknown) was validated by numerical simulations. We found that—especially for incoherent sampling—these algorithms provide better accuracy than conventional (single‐tone) curve‐fitting algorithms. © 2003 Wiley Periodicals, Inc. Electron Comm Jpn Pt 2, 86(8): 1–11, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/ecjb.10148
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