blob: da40c85dfedb6e3b3de83edf9c9c9f87fa27f5c8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
//Example 2.1
clear;
clc;
R=1*10^6;
a=200*10^3;//Open Loop Gain for ic741
rd=2*10^6;//defined for 741
ro=75;//internal output resistance defined for 741
Tnum=a*rd;
Tden=rd+R+ro;
T=Tnum/Tden;//Loop Gain
Anum=-R;
Aden=1+(1/T);
A=Anum/Aden;//Oveall Gain
Rinumn=rd*(R+ro);
Rinumd=rd+R+ro;
Rinum=Rinumn/Rinumd;
Riden=1+T;
Ri=Rinum/Riden;//Input resistance
Ronum=ro;
Roden=1+T;
Ro=Ronum/Roden;//Ouput Resistance (Value obtained for Ro in the book is wrong)
printf("T=%.f",T);
printf("\nA=%.6f V/uA",A*10^(-6));
printf("\nRi=%.1f ohms",Ri);
printf("\nRo=%.3f mohms",(Ro*(10^3)));//answer in textbook is wrong
|
