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lmp7721仿真IB为什么很大啊
亲；源内阻小；就会产生大的IB。建议在源到放大电路间串个电阻试试。
没有明白您的意思，理想电流源的模型不是电阻无穷大吗？
仿真器中电流源的模型难道不是输出阻抗无穷大吗？
这有个帖子有讲到输入偏置电流的测量，先参照仿真测量看下：
http://www.deyisupport.com/question_answer/analog/amplifiers/f/52/t/18960.aspx
lmp7721仿真IB为什么很大啊
