The Theory of DRR Fast-acquisition PLL and the Study of Its Modified Type

Jin Xing-hua; Zhon Hong-ying and Zheng Ji-yu

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The Theory of DRR Fast-acquisition PLL and the Study of Its Modified Type

更新时间：2025-12-08

- The Theory of DRR Fast-acquisition PLL and the Study of Its Modified Type
- Acta Electronica Sinica Issue 3, Pages: 124-127(1987)
- 作者机构：
  
  桂林电子工业学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1987
- 稿件说明：
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[1]金兴华,周红英,郑继禹.DRR快捕锁相理论及其改进型探讨[J].电子学报,1987(03):124-127.

Jin Xing-hua, Zhon Hong-ying and Zheng Ji-yu. The Theory of DRR Fast-acquisition PLL and the Study of Its Modified Type[J]. Acta Electronica Sinica, 1987, (3): 124-127.
[1]金兴华,周红英,郑继禹.DRR快捕锁相理论及其改进型探讨[J].电子学报,1987(03):124-127. DOI：

Jin Xing-hua, Zhon Hong-ying and Zheng Ji-yu. The Theory of DRR Fast-acquisition PLL and the Study of Its Modified Type[J]. Acta Electronica Sinica, 1987, (3): 124-127. DOI：

摘要

本文介绍了源速率抑制（DRR）快捕锁相技术

并用计算与相图充实了理论

补充了捕捉带与捕获时间的公式。最后

提出了改进型DRR环方案

计算结果表明

它可进一步缩短环路的入锁时间。

Abstract

In this paper

the technique of fast-acquisition phase-locking for Derived Rate Rejection（DRR） is complemented by calculating and phase-plane drawing. For developing the above theory

the calculating formulas for pull-in band and the pull-in time are deduced. Finally

the modified type ORR PLL is proposed. The results of computer aided calculation show that the modified type loop in which the pull-in time can be further reduced is superior to the DRR loop.

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