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文章论述一种可编程有源电阻方波发生器电路。这种方波发生器电路仅由两个集成运算放大器和电阻组成，而没有任何外接电容，有利于集成化。理论分析和实验结果表明，方波振荡频率与一个电阻阻值成线性关系。它可以用作为一种微机控制的方波发生器。
The article discusses a programmable active resistance square wave generator circuit. This square wave generator circuit consists of only two integrated op amp and resistor, without any external capacitor, is conducive to integration. Theoretical analysis and experimental results show that the square wave oscillation frequency is linear with the resistance of a resistor. It can be used as a microcomputer controlled square wave generator.