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数字程控用户交换机时钟与同步系统电路设计
Development of the circuit providing timing and synchronization signals for private automatic branch exchange
【摘要】 在256线数字程控用户交换机(简称PABX)的研制中,通过对MT8941和MT89790的开发和应用,设计了一种实用的时钟与同步系统电路,并对该系统电路作了详细介绍.
【Abstract】 In the paper, a circuit providing timing and synchronization singnals is presented. The circuit was developed by using MT8941 and MT89790 duaring the research of 200 line Private Automatic Branch Exchange (PABX).
- 【文献出处】 兰州铁道学院学报 ,JOURNAL OF LANZHOU RAILWAY INSTITUTE , 编辑部邮箱 ,1997年02期
- 【分类号】TN916
- 【被引频次】1
- 【下载频次】58