最近要做一个设计,要用到加法器电路,在Multism中仿真,最开始用OPA350
仿真的波形如图:
但是实际电路搭建出来测试,从示波器上看明显有2us的误差延时。(输出正弦为50KHz)
认为是运放V/us不够,换成LM7171,仿真波形任然很好,但实际测试,就完全没有波形输出了。请教一下是不是两个输入信号不对?一个信号为正弦(峰值1V)。另一个是2V DC. 供电电压是正负12V
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