HA22(Ⅱ)P/T型电话机通话电路的工作原理及故障分析  

The Working Principles and Break-down Analysis of HA22 (II) P/T Type Telephone Communicative Circuit

作　　者：李秀玲[1] 马瑞霞[1] 乔一枝[1] 贺林 

机构地区：[1]河北师范大学物理学院,河北石家庄050016 [2]邢台广播电视大学,河北邢台054000

出　　处：《甘肃教育学院学报（自然科学版）》2003年第4期26-29,共4页Journal of Gansu Education College(Natural Science Edition)

摘　　要：在介绍TEA106X系列电话机专用通话集成电路的同时,以HA22(Ⅱ)P/T型电话机通话电路为例,简述了该系列中TEA1062集成块组成的通话电路工作原理,并对常见的七个故障进行了分析.In the course of the introduction to the TEA106Xseries special telephone communicative integration circuit,HA22(II)P/T type telephone communicative circuit is taken as an example.The present paper gives a brief description of the working principles of the communicative circuit made up of the TEA 1062 integration circuit,and also offers an analysis of the seven common breakdowns.

关 键 词：HA22(Ⅱ)P/T型电话机 通话电路 工作原理 故障分析 故障排除 消侧音电路 集成电路 

分 类 号：TN916.31[电子电信—通信与信息系统]