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Oversampled pipeline A/D converters with mismatch shaping

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3 Author(s)
Shabra, A. ; Dept. of Electr. Eng. & Comput. Sci., MIT, Cambridge, MA, USA ; Hae-Seung Lee ; Hernandez, L.

The authors present a pipeline A/D converter with improved linearity (SNDR). The SNDR improvement is achieved through a combination of oversampling and mismatch shaping, which modulates the distortion energy out-of-band. At an oversampling ratio of four and 64, and a component mismatch of 0.1%, 9 and 35 dB improvements in SNDR are achieved, respectively, in comparison to a converter with no mismatch shaping

Published in:

Electronics Letters  (Volume:34 ,  Issue: 6 )