国产的优秀OP放大器（运算放大器）。一块高增益通用运算放大器电路该运算放大器具有内部相位补偿它设计在较宽的电压范围内双电源条件下工作 本电路用途广泛 能完成加减乘除积分微分对数等运算，也可用作信号发生、放大、比较、变换、整流、滤波等电路，可用于各种电子仪器设备中。-Made outstanding OP amplifier (op amp). A general-purpose high-gain op amp circuit of the operational amplifier with internal phase compensation it is designed in a wide voltage range of work under conditions of dual power circuit is widely used to complete the addition, subtraction integral differential logarithm computation, signal generator can also be used , amplification, comparison, transformation, rectification and filtering circuits can be used in various electronic equipment.