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TL072双电源放大器完美代替AD712

Other Parts Discussed in Thread: TL072

最近需要一个放大电路要求不是很高,开始考虑的是AD712出于成本的考虑最终选择TL072,看了下基本的两个芯片的参数对比如下

完美仿真对比如下AD712原理图

AD712仿真实时图

TL072原理图

TL072仿真图

此电路采用2极放大最后加三极管驱动放大,输出波形稳定度和AD712完全一样,同时可以改变RV1可调电阻的值,改变输出电压幅度,实际效果和仿真一样,按照上图可完全实现输入100MV-1V,输出至20V的放大幅度,如果需要更大的输出功率,可以更换放大三极管就OK