
这个图我将时间尺度调到很小才会慢慢发现波形,调大了,就是一片空白了,为什么调大了就看不到信号了。
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为什么运放的输入100nA就会让这个TIA电路输出饱和?,按照理论应该是100nA*1k=0.1mVc才对呀?