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This brief focuses on the performance analysis of general charge-sampling circuits for signal capture. The theoretical analysis in the brief can be applied not only for weak signal capture, but also for the normal signal sampling. Based on a general charge-sampling model, the transfer function, the noise performance, and the clock jitter tolerance are analyzed and compared to conventional voltage sampling. The results provide a theoretical basis for charge-sampling circuit design.
Circuits and Systems II: Express Briefs, IEEE Transactions on (Volume:52 , Issue: 2 )
Date of Publication: Feb. 2005