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運算放大器

集成運算放大器的特點_運算放大器符號

發布日期:2022-10-03 點擊率:88

(1) 元器件參數的一致性和對稱性好;

(2) 電阻的阻值受到限制,大電阻常用三極管恒流源代替,電位器需外接;



(3) 電容的容量受到限制,電感不能集成,故大電容、電感和變壓器均需外接;

(4) 二極管多用三極管的發射結代替。


圖  運算放大器符號

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