请问 附件中的电路 opa335的输出端为什么是5v(饱和) 谢谢
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直流电压加在积分器上,一直积分就饱和了,积分器的直流增益无穷大。
但是下面的电路由于有大环反馈,输入是可以稳定的,如果不稳定,建议增加积分常数。