模拟运算电路运算误差分析

Analysis of Operational Error of Operational Circuits with Op Amps

模拟运算电路在测控领域有广泛应用。运算误差是评价运算电路性能的重要指标之一。确定影响运算误差的主要因素和估算运算误差的大小,对指导运算电路设计和评价运算电路性能,都是必要的。文章探讨了引起模拟运算电路运算误差的几种主要因素,给出了它们引起的运算误差的估算方法,讨论了在模拟运算电路设计中减小运算误差的相应措施。结论可用于指导模拟运算电路设计和运算误差评价。

The operational circuits with op amps are widely used in measuring and controlling fields. The operational error is one of the most important parameters of a operational circuit, it＇s necessary for a operational circuit that determine the key factors influencing operational error and numerically estimate the operational error. The key factors influencing operational error in operational circuits with op amps were explored, the estimation methods of the operational error presented, and the techniques for reducing the operational error discussed. The conclusions are useful for the design and performance evaluation of operational circuits with op amps.