1、如下是LMH6882的原理图
2、如下是整个系统拓扑LM6882前级是LMH6552输出,后级是ADC
目前调试过程中,读取LMH6882的寄存器其默认增益6DB,即放大1.99倍,但实际测试中LMH6882的差分输出与差分输入的比值为1.9
调整其他增益大小,实际增益与设定增益也是有差值,不知道怎么回事,
使用TINA仿真原理图也是正常的,不知道问题出现在哪儿了
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.