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.
现附上电路图,电源已滤波,各位,电路图不知有问题否?输出自激了,输出的频率上10M了,信号根本没有放大,各位拜托
3脚不要悬空!
你这样的电路图根本就是错的
6脚是前置运放的正想输入端,4脚为前置运放的输出端
你的后级PGA部分根本没有输入,
请按照下图进行修改