使用TINA仿真软件,仿真了AD8091,输入为30mv到100mv正弦波,放大倍数为12倍,频率为25kHz到125kHz,结果如图
看到的增益显示为何都是21.58,(理论计算20log12为21.58),但是到高频明显有衰减,为何看不出
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