An On-Chip Power-Supply Noise Analyzer With Compressed Sensing and Enhanced Quantization

Pengfei Zhai,Zheng Zhu,Xiong Zhou,Yan Cai,Fan Zhang,Qiang Li

IEEE Journal of Solid-State Circuits（2022）

引用 2|浏览40

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摘要

This article discusses the on-chip measurement of the power-supply noise (PSN) and demonstrates a scalable PSN spectrum analyzer with significantly improved speed and accuracy. Compressed sensing is exploited in the autocovariance-based measurement since the cyclostationary PSN is sparse. A six-level voltage-controlled oscillator (VCO)-based phase quantizer is proposed to improve the noise perform...

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关键词

Clocks,Quantization (signal),System-on-chip,Bandwidth,Voltage-controlled oscillators,Time measurement,Noise measurement

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