GM338车载电台电源与射频功放故障维修案例分析  

Troubleshooting for the power supply and RF power amplifier of GM338 radio

作　　者：闫洪生 段孟宪 

机构地区：[1]东方地球物理公司装备服务处仪器服务中心,河北涿州072750

出　　处：《物探装备》2015年第6期387-394,共8页Equipment for Geophysical Prospecting

摘　　要：GM338电台是Motorola公司生产的一种无线电通讯设备。作为地震勘探中的辅助设备,它具有结构简单、性能稳定、功能强大的特点。它主要由直流电源、接收、发射、数传扩展接口等电路组成。本文就其直流电源与射频功放的故障及维修进行了介绍。GM338 radio is a kind of radio communication equipment produced by Motorola Company. As auxiliary equipment in seismic exploration, it has the characteristics of simple structure, stable performance and strong function. GM388 radio consists of DC power supply, receiving and transmitting circuit, data transmission interface circuit components. In this paper, some common faults and maintenance method of the DC power supply and RF power amplifier are introduced.

关 键 词：GM338电台 直流电源 功放原理 功率感应器 温度控制器 

分 类 号：P631.43[天文地球—地质矿产勘探]