摘要
首先给出了设计的性能参数,之后对恒流源的工作原理进行了分析,提出了高精度工频恒流源的设计方案,介绍了方案中关键电路的设计要点,详细说明了恒流源的热设计、可靠性设计和软件校正的方法,最后给出试验数据和结论。
This paper presents the performance parameters first, then analyzes the working principle of the constant-current source, puts forward the design method of the high-precision power-frequency constant-current source, introduces the key point of the significant circuit, gives the method of thermal design, reliability design and software design, finally gives test data and conclusions.
出处
《电测与仪表》
北大核心
2009年第10期72-75,共4页
Electrical Measurement & Instrumentation
关键词
恒流源
工频
高精度
Howland电路
功率放大器
constant-current source, power-frequency, high-precision, Howland circuit, power magnifier
