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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
{
"metadata": {
"name": "",
"signature": "sha256:87bd5c8d9448f5bb2e75909f89934a6fb2b64e65e6ea37b085ce080a58026071"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"CHAPTER 23 : INTEGRATED CIRCUITS"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 23.1: Page number 637"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Variable declaration\n",
"R1=240; #Adjusted resistance of R2 resistor of LM317 voltage regulator, in kilo ohm\n",
"R2=2.4; #Fixed value of R1 resistor of LM317 voltage regulator, in ohm\n",
"\n",
"#Calculations\n",
"#Output voltage of LM317 voltage regulator IC = 1.25(R2/R1 +1)\n",
"Vout=1.25*((R2*1000)/R1 + 1); #Regulated d.c output voltage for the circuit in V\n",
"\n",
"#Results\n",
"print(\"The regulated d.c output voltage = %.2fV\"%Vout);\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The regulated d.c output voltage = 13.75V\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 23.2 : Page number 638"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Variable declaration\n",
"R=1.2; #Value of resistance of monostable multivibrator in kilo ohm\n",
"C=0.1; #Value of capacitance of monostable multivibrator in microfarad\n",
"\n",
"#Calculations\n",
"T=1.1*(R*1000)*C; #Time for which the circuit is ON, in microseconds\n",
"\n",
"#Results\n",
"print(\"Time for which the circuit is ON = %d microseconds.\"%T); \n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Time for which the circuit is ON = 132 microseconds.\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 23.3 : Page number 639\n"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Variable declaration\n",
"R1=3.0; #Resistance of R1 resistor of 555 timer circuit in kilo ohm\n",
"R2=2.7; #Resistance of R2 resistor of 555 timer circuit in kilo ohm\n",
"C=0.033; #Capacitance of the capacitor of 555 timer circuit in microfarad\n",
"\n",
"#Calculations\n",
"f=1.44/(((R1*1000) + 2*(R2*1000))*(C*pow(10,-6))); #Frequency of the circuit in Hz\n",
"f=f/1000; #Frequency of the circuit in kHz\n",
"\n",
"#Results\n",
"print(\"The frequency of the circuit = %.2fkHz\"%f);\n",
"\n",
"\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The frequency of the circuit = 5.19kHz\n"
]
}
],
"prompt_number": 3
}
],
"metadata": {}
}
]
}
|
