《群集放大、鉴频和锁笔电路》的研制
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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,以供技术人员参考和交流
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.
引文
1DEJohnson,JRJohnson,Hpmoor.AHandBookofActiveFilters.NewJersey,1980.2仇善忠,等.锁相与频率合成技术.北京:电子工业出版社,1986.3赵松年,等.信号分析与遥测技术.北京:地震出版社,1983.4JGProakis.DigitalCommunications.McGraw-flil,NewYork,1989.5豆耀华,等.有源带通滤波器的设计、调试与应用.西北地震学报,1996,18(1):77~82

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