High-Frequency Phase/Frequency Detectors: Analysis for Oscillation-Free Optimal I/O

被引:4
|
作者
Chen, Roger Yubtzuan [1 ]
Yang, Zong-Yi [2 ]
Yu, Shun-Chieh [1 ]
机构
[1] Natl Yunlin Univ Sci & Technol, Elect Engn Dept, Touliu 64002, Yunlin, Taiwan
[2] Natl Yunlin Univ Sci & Technol, Ctr Proc Safety & Ind Disaster Prevent, Touliu 64002, Yunlin, Taiwan
关键词
Phase frequency detector; Phase locked loops; Delays; Detectors; Time-frequency analysis; Image edge detection; Clocks; Cascaded phase-locked loop (PLL); phase; frequency detector (PFD);
D O I
10.1109/LMWC.2020.3024897
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
Phase/frequency detectors (PFDs), equipped with blind zone (BZ) relieving delay elements (DEs), are studied. DE design guidelines for oscillation-free optimal PFD I/O characteristics, along with detailed validation, are presented. This PFD study is useful for the design of charge-pumped phase-locked loops (CP-PLLs) that employ high-frequency input clocks.
引用
收藏
页码:1097 / 1100
页数:4
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