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第八章习题解答

第八章习题解答. 运放的应用. 习题 8.1.1 P 375. 习题 8.1.2. 习题 8.1.4. A 1 、 A 2 为电压跟随器. 习题 8.1.5. A 1 、 A 2 、 A 3 、 A 4 均为电压跟随器. 习题 8.1.8. 习题 8.1.9. V s =I 1 R 1 , I 1 =I 2 V m = － I 2 R 2 = － I 1 R 2 = － V S R 2 ／ R 1 I 4 =V M ／ R 4 = － R 2 V S ／ (R 1 R 4 )=I 1 R 2 ／ R 4

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第八章习题解答

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  1. 第八章习题解答 运放的应用

  2. 习题8.1.1 P375

  3. 习题8.1.2

  4. 习题8.1.4 A1、A2为电压跟随器

  5. 习题8.1.5 A1、A2、A3 、A4均为电压跟随器

  6. 习题8.1.8

  7. 习题8.1.9 Vs=I1R1 , I1=I2 Vm=－I2R2=－I1R2 =－VSR2／R1 I4=VM／ R4 =－R2VS／(R1 R4)=I1R2／R4 VO=－I3R3+VM=－(I1+I4)R3+VM =－I1(1+R2/ R4)R3－I1R2=－(R2+R3+R2R3/R4)VS/R1 VO／VS=－(R2+R3+R2R3/R4) ／R1

  8. 习题8.1.10 (1): (2):

  9. 习题8.1.19 （1）: 输入——输出特性 （2）：波形图 （3）：功能： 取绝对值运算、 小信号整流。

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