Exploiting Stochastic Resonance to Enhance the Performance of Digital Bang-Bang PLLs

被引：24

作者：

Marucci, Giovanni ^{[1
]}

Levantino, Salvatore ^{[1
]}

Maffezzoni, Paolo ^{[1
]}

Samori, Carlo ^{[1
]}

机构：

[1] Politecn Milan, Dipartimento Elettron & Informaz, I-20133 Milan, Italy

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2013年 / 60卷 / 10期

关键词：

All-digital phase-locked loop (ADPLL); digital phase-locked loop; jitter; limit cycle; phase noise; spur; stochastic resonance (SR); PHASE-DETECTOR GAIN; NOISE;

D O I：

10.1109/TCSII.2013.2273732

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, the multifaceted behavior of bang-bang digital phase-locked loops is explored. It is proved that a stochastic resonance phenomenon occurs at the balance between the quantization and intrinsic noise of the digitally controlled oscillator, which resides into the loop. How this condition maximizes the signal-to-noise performance is shown. The loop parameter value that yields stochastic resonance is provided in closed form.

引用

页码：632 / 636

页数：5

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