一个全定制的半带滤波器，用于sigma-delta ADC

2010 International Conference on Anti-Counterfeiting, Security and Identification Pub Date : 2010-07-18 DOI:10.1109/ICASID.2010.5551520

L. Li, Xingfa Huang, Zhou Yu

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引用次数: 1

摘要

提出了一种低功耗全自定义半带固定系数FIR数字转换器，用于sigma-delta ADC。半带FIR数字滤波器采用三级级联结构，具有线性相位和低通特性。它实现了0.003dB的通带纹波和82dB的阻带衰减，并且在基于0.35um CMOS工艺的3V电源下仅耗散15mW。

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A full custom half-band filter used for sigma-delta ADC

A low power full custom Half-Band FIR digtal Alter with fixed coefficients used for sigma-delta ADC is presented. The Half-Band FIR digtal filter uses three- stage cascaded strcture and has linear phase and lowpass characteristics. It achieves passband ripple of 0.003dB and stopband attenuation of 82dB, and dissipates only 15mW with a 3V supply based on a 0.35um CMOS process.

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2010 International Conference on Anti-Counterfeiting, Security and Identification

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