《群集放大、鉴频和锁笔电路》的研制  

MANUFACTURE OF GROUP AMPLIFIER,FREQUENCY DISCRIMINATOR AND PEN LOCKOUT CIRCUITS

作　　者：豆耀华[1] 

机构地区：[1]国家地震局兰州地震研究所

出　　处：《西北地震学报》1997年第1期83-88,共6页Northwestern Seismological Journal

摘　　要：作者对地震遥测传输系统中收讯群放和鉴频器进行了改进，选用现代集成电路和现代技术，设计出了群放、鉴频、锁笔、滤波和限幅电路为一体的实用电路，在本文中介绍了该电路设计指标和工作过程。The writer improved the receiver and group amplifier and frequency discriminator of seismic telemetry system and by using the modern integrated circuit and technique designed a practical circuit which includes group amplifier,frequency discriminator,wave filter,pen lockout and clipping circuits.In this paper,the design indexes and operating program of the circuit are introduced to provide reference and exchange for the technical personnel.

关 键 词：地震遥测设备 电路设计 群放电路 鉴频电路 

分 类 号：P315.62[天文地球—地震学]