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一、定义 电压源电压或电流源电流不是给定函数，而是受电路 某个支路的电压 ( 或电

+. –. 电路符号. 受控电压源. 受控电流源. 1.8 受控源. 一、定义 电压源电压或电流源电流不是给定函数，而是受电路 某个支路的电压 ( 或电流 ) 的控制。. 例. R c. R b. i c = b i b. i c. i b. 电流控制的电流源. i b. b i b. 控制部分. 受控部分. 二、四种类型. {. {. u 1 =0. u 1 =0. i 1. i 2. i 2 = b i 1. u 2 = r i 1. +. +. b i 1. u 1. u 2.

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一、定义 电压源电压或电流源电流不是给定函数，而是受电路 某个支路的电压 ( 或电

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  1. + – 电路符号 受控电压源 受控电流源 1.8受控源 一、定义 电压源电压或电流源电流不是给定函数，而是受电路 某个支路的电压(或电流)的控制。

  2. 例 Rc Rb ic=b ib ic ib 电流控制的电流源 ib b ib 控制部分 受控部分

  3. 二、四种类型 { { u1=0 u1=0 i1 i2 i2=b i1 u2=r i1 + + b i1 u1 u2 _ _  : 电流放大倍数 CCCS i1 i2 + + + ri1 u1 u2 _ _ r : 转移电阻 _ CCVS (1) 电流控制的电流源 ( Current Controlled Current Source ) (2) 电流控制的电压源 ( Current Controlled Voltage Source )

  4. i1 i2 { { i1=0 i1=0 + + i2=gu1 u2= u1 gu1 u1 u2 _ _ g: 转移电导 VCCS i1 i2 + + + u1 u1 u2 _  :电压放大倍数 _ _ VCVS (3) 电压控制的电流源 ( Voltage Controlled Current Source ) (4) 电压控制的电压源 ( Voltage Controlled Voltage Source )

  5. i1 i2 i1 i2 + + + gu1 u1 u2 + _ b i1 u1 u2 _ _ _ VCCS CCCS i1 i2 i1 i2 + + + + + + u1 u1 u2 _ ri1 _ u1 u2 _ _ _ _ VCVS CCVS * ，g，  ，r 为常数时，被控制量与控制量满足线性关系， 称为线性受控源。

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