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本文导出了一个同相压控电压源(VCVS)无源频率补偿的计算公式。用此公式可获得 VCVS 幅频特性的最平补偿、最宽补偿和通带内的相移最小补偿。方法简便易行。理论推导、数值计算和实际测量三者一致。进一步的分析还表明,该公式完全适合于差动输入的仪器放大器。
This paper derives a formula for calculating the passive frequency of a voltage-controlled VCVS. Use this formula to obtain the flattest compensation, the widest compensation, and the minimum phase shift compensation in the passband for VCVS amplitude-frequency characteristics. The method is simple and easy. Theoretical deduction, numerical calculation and actual measurement of the three consistent. Further analysis also shows that the formula is completely suitable for differential input instrumentation amplifier.