학술논문
High-Frequency Phase/Frequency Detectors: Analysis for Oscillation-Free Optimal I/O
Document Type
Periodical
Author
Source
IEEE Microwave and Wireless Components Letters IEEE Microw. Wireless Compon. Lett. Microwave and Wireless Components Letters, IEEE. 30(11):1097-1100 Nov, 2020
Subject
Language
ISSN
1531-1309
1558-1764
1558-1764
Abstract
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.