提高电压标准源负载能力的外接放大电路设计

Design of External Amplifying Circuit for Improving Voltage Standard Source Load Capacity

介绍了用于提高电压标准源负载能力的外接功率放大电路的设计原理及组成,该电路通过对称式的设计方法和认真筛选器件,使其具有附加误差小、跟踪准确度高等优点,解决了一般电压标准源源电流输出能力不足的问题。

The design principles and composition of external amplifying circuit for improving voltage standard source load capacity are introduced in this paper. Through the symmetric design and careful screening devices, it makes this circuit lower additional error and higher tracking accuracy. It also solves the problem of current output capacity inadequate of general voltage standard source.