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Clock signal distribution with second order nodes: Design hints
ISA Transactions ( IF 7.3 ) Pub Date : 2021-01-15 , DOI: 10.1016/j.isatra.2021.01.014
José Roberto C Piqueira 1 , Antonio Carlos B de Godoi 1
Affiliation  

Despite being in use since the 1960’s, clock distribution networks continue to be important, mainly since the digitalization of numerous electronic tasks, which demands precise time measures for synchronizing internal and external processes in computational and instrumentation applications. Designing clock distribution networks requires determination/estimation of the appropriate topologies and parameters that guarantee the mutual synchronization of the coupled oscillators. This problem has been largely studied in the telecommunications context, with digital hierarchies succeeding at providing precise multiplexing and switching, integrating services, and in the process, giving rise to a new era of communication. From a mathematical viewpoint, this work considers linear coupling factors, with the study of nonlinear effects still open. As the nodes of time distribution networks are phase-locked loops, considering nonlinearities is helpful for the design and operation of such systems. Herein, an overview of possible solutions concerning topologies and parameters is presented, allowing performance hints regarding network architectures and parameters to help designers. The main contribution is to put together and compare each solution while taking nonlinearities into account and to associate the application to be supported with the best clock distribution solution, thus providing simple rules of thumb for system design.



中文翻译:

二阶节点的时钟信号分配:设计提示

尽管自 1960 年代以来一直在使用,时钟分配网络仍然很重要,主要是因为许多电子任务的数字化,这需要精确的时间测量来同步计算和仪器应用中的内部和外部过程。设计时钟分配网络需要确定/估计适当的拓扑和参数,以保证耦合振荡器的相互同步。这个问题在电信领域得到了大量研究,数字层次结构成功地提供了精确的多路复用和交换、集成服务,并在此过程中开创了一个新的通信时代。从数学的角度来看,这项工作考虑了线性耦合因素,非线性效应的研究仍然开放。由于时间分配网络的节点是锁相环,考虑非线性有助于此类系统的设计和运行。在此,概述了有关拓扑和参数的可能解决方案,允许提供有关网络架构和参数的性能提示,以帮助设计人员。主要贡献是在考虑非线性的同时将每个解决方案放在一起并进行比较,并将要支持的应用与最佳时钟分配解决方案相关联,从而为系统设计提供简单的经验法则。允许有关网络架构和参数的性能提示以帮助设计人员。主要贡献是在考虑非线性的同时将每个解决方案放在一起并进行比较,并将要支持的应用与最佳时钟分配解决方案相关联,从而为系统设计提供简单的经验法则。允许有关网络架构和参数的性能提示以帮助设计人员。主要贡献是在考虑非线性的同时将每个解决方案放在一起并进行比较,并将要支持的应用与最佳时钟分配解决方案相关联,从而为系统设计提供简单的经验法则。

更新日期:2021-01-15
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