再玩几个式子,基本是中学水平。当然了,让它动起来(譬如极限什么的),那就得大学了。
Uo = [Rl/(Rs + Rl)] Us
= [Rl/(1 + Rl/Rs)] Us/Rs
Io = Uo/Rl
= [Rs/(Rs + R1)] [Us/Rs]
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Io = [Gl/(Gs + Gl)] Is
= [Gl/(1 + Gl/Gs)] [Is/Gs]
Uo = Io/Gl
= [Gs/(Gs + G1)] [Is/Gs] |
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