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本文提出一种新颖的有源补偿电路,它适宜于取代用在许多低灵敏度单放大器的比奎特电路的正反馈放火器,试图扩展滤波器在高频的应用范围.新电路的主要优点是只需用一个电阻和一个运算放大器即可完成补偿。图1的正反馈放大器的转移函数由下式给出：
In this paper, a novel active compensation circuit is proposed, which is suitable to replace the positive feedback arrester used in many low-sensitivity single-amplifier biquat circuits and try to extend the application range of the filter in high frequency.The main advantage of the new circuit is Just use a resistor and an op amp to complete the compensation. The transfer function of the positive feedback amplifier of Figure 1 is given by: