Digital background calibration technique for pipeline ADCs with multi-bit stages

Digital background calibration technique for pipeline ADCs with multi-bit stages

This paper presents a technique for background calibration of pipeline ADCs with multi-bit stages, based on an adaptive approach. Different implementations of the LMS algorithm have been studied, concluding that the traditional SS-LMS (sign-sign LMS) algorithm has inherent convergence problems in hi...

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Hauptverfasser: Gines, A.J., Peralias, E.J., Rueda, A.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Adaptive arrays
Analog-digital conversion
Calibration
Convergence
Energy consumption
Hardware
Least squares approximation
Pipelines
Radar antennas
Signal processing algorithms
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Beschreibung
Zusammenfassung:This paper presents a technique for background calibration of pipeline ADCs with multi-bit stages, based on an adaptive approach. Different implementations of the LMS algorithm have been studied, concluding that the traditional SS-LMS (sign-sign LMS) algorithm has inherent convergence problems in high accuracy ADCs that can be solved considering an SD-LMS (sign-data LMS) implementation.
DOI:10.1109/SBCCI.2003.1232847