1、 简单恒压源的设计 摘要摘要：恒压源是模拟集成电路中广泛使用的一种单元电路，在实际中 也有着广泛的应用。通过分析典型的恒压源的电路结构， 研究了影响 恒压源精度的一些关键因素， 提出了恒压源的设计方案， 给出了具体 的电路原理图。 而且还较详细的分析了恒压源的工作原理及其应用的 特点，并且进行了multisim仿真实验，对电路进行分析，并指出其适 用的场合。结果表明：要得到一个高质量的恒压源电路，必须选用精 度高和稳定性好的采样电阻， 增益大， 温漂小， 失调小的运放放大器。 关键词：关键词：稳压源；基准电压；比较放大电路；保护电路；采样电路 Simple Constant Pressure
2、Source Design Abstract: Constant pressure source is an unit circuit, which is used widely in analog integrated circuit, and its also widely applied in practical. Through analyzing the circuit structure of typical constant pressure source, this paper not only studies the key factors that affect the c
3、onstant pressure source accuracy, puts forward the design scheme of constant pressure source, but also draws up a specific circuit principle diagram. Furthermore, this paper analyzes the working principle of constant pressure source and its applications in detail, conducts the multisim simulation ex
4、periments to analyze the circuit, and points out the possible applications of the constant pressure source. The experiment shows that: To get a high-quality constant-voltage source circuit, it should choose the sampling resistance with high precision and good stability, and the op-amp amplifier with large gain, small temperature drift and small detuning. Key words: voltage source； benchmark voltage； comparative amplifying circuit；protection circuit；sampling circuit 目 录 引言
