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.
LM1972原理图.pdf帮我确认一下这个原理图有啥问题
原理图似乎遵循数据表图23中的对数增益放大器电路、这应该没问题。 确保 GND 引脚3和19强连接到 NJM 放大器 GND NJM 数据表未提及它是否是 JFET 输入、但输入障碍的规格对于 uPot 输出来说似乎足够高。