Device Noise in Continuous-Time Oversampling Converters
作者： Radha S. Rajan , Shanthi Pavan
DOI: 10.1109/TCSI.2011.2180445
关键词:
摘要: We analyze the in-band thermal noise of continuous-time delta sigma modulators. The manifestation in converters with time-invariant loop filters is straight forward and well known. However, several practically useful modulators, like those switched-capacitor-resistor (SCR) return-to-open (RTO) feedback DACs, have a time-varying filter. give framework for analyzing performance such designs, show that it important to consider aliasing from around multiples sampling frequency. Our results compare obtained circuit simulator.
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