A Self-Adaptive Frequency Response Compensation Method for a TIADC System

Time interleaving is one of the most efficient techniques employed in high-speed sampling systems. However, the frequency response mismatch among different channels will create distortion tones that degrade the system performance. In this paper, a self-adaptive frequency response mismatch compensati...

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Bibliographic Details
Published in:Mathematical problems in engineering 2013-01, Vol.2013 (2013), p.1-7
Main Authors: Huang, Wuhuang, Li, Min, Zeng, Hao, Pan, Huiqing, Ye, Peng
Format: Article
Language:English
Subjects:
Acquisitions
Adaptive systems
Algorithms
Bandwidths
Calibration
Circuits
Compensation
Computer simulation
Design optimization
Digital
Distortion
Engineering
Frequency response
High speed
Manufacturing
Marketing
Mathematical analysis
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Summary:Time interleaving is one of the most efficient techniques employed in high-speed sampling systems. However, the frequency response mismatch among different channels will create distortion tones that degrade the system performance. In this paper, a self-adaptive frequency response mismatch compensation method is presented, where the design of compensation filter is optimized with a self-adapting strategy. This digital postprocessing technique realizes the compensation of frequency response effectively and also the increase of the digital bandwidth of the acquisition system. MATLAB-based simulation and an actual two-channel acquisition system test verify the effectiveness of the algorithm.
ISSN:1024-123X
1563-5147
DOI:10.1155/2013/613025