一个延时数字锁环

ISSPA '99. Proceedings of the Fifth International Symposium on Signal Processing and its Applications (IEEE Cat. No.99EX359) Pub Date : 1999-08-22 DOI:10.1109/ISSPA.1999.818194

Z. M. Hussain, B. Boashash, M. Hassan-Ali, S. Al-Araji

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引用次数: 60

摘要

提出了一种采用恒定时延单元代替恒定90/spl /移相器的数字锁环(DTL)，以降低实现的复杂性，并消除由90/spl /移相器引起的实际问题、近似和限制。延时数字锁环(TDTL)保留了传统锁环(CDTL)的大部分重要特征，并在适当选择电路参数的情况下对一阶锁环进行了改进。

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A time-delay digital tanlock loop

A digital tanlock loop (DTL) that utilises a constant time-delay unit instead of the constant 90/spl deg/ phase-shifter is proposed to reduce the complexity of implementation and rid the circuit of the practical problems, approximations and limitations caused by the 90/spl deg/ phase-shifter. The time-delay digital tanlock loop (TDTL) preserves the most important features of the conventional DTL (CDTL) and introduces improvement over the first-order CDTL under suitable choice of the circuit parameters.

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ISSPA '99. Proceedings of the Fifth International Symposium on Signal Processing and its Applications (IEEE Cat. No.99EX359)

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