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A power-efficient polyphase sharpened CIC filter for sigma-delta ADCs

机译:用于Sigma-Delta ADC的高效多相锐化CIC滤波器

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This paper presents a power-efficient poly-phase sharpened CIC filter for sigma-delta ADCs. In this scheme, by using a cascade of CIC filter and SCIC filter with proper optimization of the two-stage decimation structure, the power consumption can be considerably reduced compared to conventional SCIC filter architectures. Furthermore, poly-phase implementations for both the CIC and SCIC filter sections are used to further reduce the power. The proposed filter is designed with CMOS 1µm technology, where the lowest power consumption is achieved among similar filter architectures.
机译:本文介绍了Sigma-Delta ADC的高效多相磨削CIC滤波器。在该方案中,通过使用具有正确优化两级抽取结构的CIC滤波器和SCIC滤波器的级联,与传统的SCIC滤波器架构相比,可以显着降低功耗。此外,用于CIC和SCIC滤波器部分的多相实现用于进一步降低功率。所提出的滤波器采用CMOS1μM技术设计,其中在类似的滤波器架构中实现了最低功耗。

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