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A Qualification Approach to DAC Mismatch-Shaping Methods

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3 Author(s)
Neitola, M. ; Dept. of Electr. & Inf. Eng., Univ. of Oulu, Oulu, Finland ; Rahkonen, T. ; Raappana, J.

Linearizing a digital-to-analog converter by mismatch noise shaping is popular particularly in the art of Delta-Sigma converters. This work proposes a procedure for characterizing and benchmarking the shaping methods. The proposed approach provides five graphical figures of merit related to in-band spurious level and noise floor. In our case-studies, we will concentrate on the data-weighted averaging method with low- and bandpass shaping alongside a combination of two-tone suppression methods.

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Circuits and Systems II: Express Briefs, IEEE Transactions on  (Volume:57 ,  Issue: 11 )