A Single-Event-Transient Hardened Phase Locked Loop for Clock and Data Recovery

被引：0

作者：

Hengzhou YUAN ^{[1
]}

Bin LIANG ^{[1
]}

Hao SANG ^{[1
]}

Weixia XU ^{[1
]}

Yang GUO ^{[1
]}

Xi CHEN ^{[1
]}

机构：

[1] National University of Defense Technology

来源：

Chinese Journal of Electronics | 2024年 / 33卷 / 02期

基金：

中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

TN911.8 [相位锁定、锁相技术];

学科分类号：

摘要：

A radiation-hardened phase-locked loop is proposed for phase interpolator clock and data recovery purposes. A sensitive node-compressed charge pump and multi-node cross coupling voltage-controlled oscillators are proposed in this phase-locked loop with the goal of achieving good jitter performance and improving anti-SET(SET,single-event transient) capability. The root mean square(RMS) jitter of the phase-locked loop is reduced from 3.7 ps to 2.58 ps at 2 GHz, while the laser threshold is improved from 120 p J to 370 p J compared to the unhardened phaselocked loop. The hardened phase-locked loop also does not lose its lock state from linear energy transfers(LETs) of 3.3 to 37.3 Me V·cm2/mg.

引用

页码：353 / 361

页数：9

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