In this paper, the electric circuit of linear negativeresistance was designed with operational amplifier, and its characters. Special stability condition, were analysed.
本文给出用运算放大器实现负电阻的实验电路及其分析，主要讨论电路的稳定条件。
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This article analyses influence on inside resistance in the signal source on circuit in 3 ways: monopole amplifying circuit, multilevel amplifier circuit, and negative feedback amplifier.