三阶PLL滤波器设计1
3rd Order PLL Design
fR Σ Kφ R1 C1 C2 Kv fO
1 N
Fig. 1: 3rd-Order PLL with Current-Mode Phase-Detector
useful functions and identities Units Constants
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Table of Contents
I. II. III. IV. V. VI. VII. VIII. IX. Introduction Inputs Design Procedure Optimal Phase Margin for Minimum Settling Synthesis of Loop Filter Components Integrated Loop Filter Modified Loop Filter PLL Design Function Copyright and Trademark Notice
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Introduction
The charge-pump-based third order PLL is the most popular PLL architecture today. This report discusses the design and analysis and the loop dynamics of 3rd order PLLs. This includes phase margin sizing to minimize the settling time of the PLL, and a anaylsis of a modified loop ……
