A 4th-Order Continuous-Time Delta-Sigma Modulator Using 6-bit Double Noise-Shaped Quantizer.

IEEE Journal of Solid-State Circuits（2017）

引用 27|浏览7

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摘要

This paper presents a continuous-time delta-sigma modulator using a double noise-shaped quantizer (DNSQ), which not only provides 2nd-order noise shaping but also generates a 6-bit quantization in the modulator. The proposed DNSQ efficiently extracts the quantization error in the time domain from a noise-shaped integrating quantizer (NSIQ), and directly applies it to a gated ring oscillator-based ...

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关键词

Quantization (signal),Modulation,Delta-sigma modulation,Time-domain analysis,Bidirectional control,Multi-stage noise shaping

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