一种电压控制电流源的设计与应用  

The design and application of a current source controlled by voltage

作　　者：韩静霖 李国峰[2] 张勇[2] 刘轶轶[2] 邹云[2] 

机构地区：[1]天津赛能高科技有限公司,天津300192 [2]南开大学信息技术学院,天津300071

出　　处：《电子技术应用》2008年第10期64-65,共2页Application of Electronic Technique

基　　金：天津市重点科技攻关项目的支持(06YFGZGX03600)

摘　　要：基于运算放大器原理,介绍了一种电压控制电流源的设计,分析了控制电压的输入范围和电流的输出范围,用三极管进行扩流,以满足不同的应用要求。该电路结构简单、性能稳定、可控性好、线性度高、成本低廉。最后给出了电池充电电路的应用实例。Based on the theory of the operational amplifier, this paper introduced the design and application of current source controlled by voltage. It analyzed the input range of control voltage and the output range of current. The current can mean different needs by an enlarged current triode. The example of the recharge circuit was showed.

关 键 词：压控电流源 运算放大器 电池 充电 

分 类 号：TN934.7[电子电信—信号与信息处理] TN31[电子电信—信息与通信工程]