PCM基群高集成数字终端设备  

PCM primary group super-large-scale IC digital trunk device

作　　者：刘颖[1] 李洪霞[1] 

机构地区：[1]长春邮电学院电信工程系,长春130012

出　　处：《长春邮电学院学报》1993年第4期8-15,共8页Journal of Changchun Post and Telecommunication Institute

摘　　要：叙述了PCM(脉码调制)基群高集成数字终端设备,即一次群数字复接设备。该系统采用了8098单片机及超高集成外围电路,只用较少的硬件和适当的软件便完成了复接功能。该设备体积小、功耗低、性能稳定,具有实用价值。A PCM primary group super-large-scale IC digital trunk terminal device is described, which consists of a 8089 single chip computer and super-large-scale IC peripheral circuitry Its hardware is simple adapted with suitable software to perform the multiplexor function. It has the merits of compact, low power consumption , stable in performanec and worthy for practising.

关 键 词：脉冲编码调制 数字终端设备 

分 类 号：TN761.94[电子电信—电路与系统]