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+{
+ "metadata": {
+ "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 6: Signal Generators"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 6.1 Page No 155"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "R1 = 100*10**3 \n",
+ "R2 = 86*10**3 \n",
+ "Vsatp = 15.0\n",
+ "Vsatm = -15.0 #Saturation voltages\n",
+ "\n",
+ "#calculation\n",
+ "Vut = (R2 * Vsatp)/(R1 + R2)\n",
+ "Vlt = (R2 * Vsatm)/(R1 + R2)\n",
+ "\n",
+ "#Result\n",
+ "print\" Upper Threshold Voltage = \",round(Vut,0),\"V\"\n",
+ "print\" Lower Threshold Voltage = \",round(Vlt,0),\"V\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Upper Threshold Voltage = 7.0 V\n",
+ " Lower Threshold Voltage = -7.0 V\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 6.2 Page No 155"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "Rf = 100*10**3 #Feedback Resistance\n",
+ "C = 0.1*10**-6 \n",
+ "\n",
+ "#calculation\n",
+ "T = 2 * Rf * C\n",
+ "\n",
+ "#result\n",
+ "print\" Period \", T,\"s or \",T*1000,\"ms\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Period 0.02 s or 20.0 ms\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 6.3 Page No 155"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "T = 20*10**-3 #Period \n",
+ "\n",
+ "#calculation\n",
+ "f = 1 / T\n",
+ "\n",
+ "#Result\n",
+ "print\" Frequency = \", f,\"Hz\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Frequency = 50.0 Hz\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 6.5 Page No 159"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "Rf = 100*10**3 #Feedback Resistance\n",
+ "C = 0.1*10**-6 \n",
+ "\n",
+ "#Calculation\n",
+ "t = (Rf * C)/ 5.0 \n",
+ "\n",
+ "#Result\n",
+ "print\" Duration of output pulse of one-shot = \", t ,\"sec or\",t*1000,\"ms\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Duration of output pulse of one-shot = 0.002 sec or 2.0 ms\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 6.6 Page No 162"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "Vsatm = -13.8 \n",
+ "Vut = 5.0 #Upper Threshold Voltage\n",
+ "R = 10*10**3 \n",
+ "f = 1000.0 #Frequency\n",
+ "C = 0.05*10**-6 \n",
+ "\n",
+ "#calculation\n",
+ "p = -Vsatm / Vut \n",
+ "pR = round(p,1) * R \n",
+ "Ri = p / (4*f*C) \n",
+ "\n",
+ "#Result\n",
+ "print\" Value of p = \", p \n",
+ "print\" Value of pR =\", pR/1000,\"kohm\"\n",
+ "print\" Value of Ri = \", round(Ri/1000,0),\"kohm\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Value of p = 2.76\n",
+ " Value of pR = 28.0 kohm\n",
+ " Value of Ri = 14.0 kohm\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 6.7 Page No 163"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "p = 2.8 \n",
+ "Vsatm = -13.8 \n",
+ "Ri = 28*10**3 \n",
+ "C = 0.05*10**-6\n",
+ "\n",
+ "#Calculation\n",
+ "Vut = - ((Vsatm+0.6)/p)\n",
+ "f = p / (2*Ri*C)\n",
+ "\n",
+ "#Result\n",
+ "print\" Peak Voltage = \", round(Vut,2),\"V\"\n",
+ "print\" frequency = \", f ,\"Hz\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Peak Voltage = 4.71 V\n",
+ " frequency = 1000.0 Hz\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 6.8 Page No 167"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "#Checking Frequency value\n",
+ "Ri = 10*10**3 \n",
+ "Ci = 0.1*10**-6 \n",
+ "Ei = 1.0 \n",
+ "Vref = 10.0 \n",
+ "\n",
+ "#Calculation\n",
+ "f = Ei / (Ri*Ci*Vref) \n",
+ "\n",
+ "#Result\n",
+ "print\" Frequency is \", f,\"Hz\"\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Frequency is 100.0 Hz\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 6.9 Page No 168"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "Ri = 10*10**3 #Resistance\n",
+ "Ci = 0.1*10**-6 \n",
+ "Ei = 2.0 \n",
+ "Vref = 2.0 \n",
+ "\n",
+ "#Calculation\n",
+ "f = Ei / (Ri*Ci*Vref) \n",
+ "\n",
+ "#Result\n",
+ "print \" New Frequency of oscillation is \", f/1000 ,\"KHz\"\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Frequency is 200.0 Hz. So It means Frequency is doubled.\n"
+ ]
+ }
+ ],
+ "prompt_number": 18
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 6.10 Page no 168"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "Vref1 = 10.0 \n",
+ "Vref2 = 5.0 \n",
+ "\n",
+ "\n",
+ "#Calculation\n",
+ "f1 =1000/Vref1\n",
+ "f2 = 1000/Vref2 \n",
+ "\n",
+ "#Result\n",
+ "print\"For Vref=10V, frequency is\",f1,\"Hz and For Vref=5V, frequency is\",f2,\"Hz\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "For Vref=10V, frequency is 100.0 Hz and For Vref=5V, frequency is 200.0 Hz\n"
+ ]
+ }
+ ],
+ "prompt_number": 31
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 6.11 Page no 172"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "V=5 #Peak voltage\n",
+ "f=1 #Khz frequency\n",
+ "Vref=5 #V\n",
+ "C=0.01*10**-6 #Capacitance\n",
+ "\n",
+ "#Calculation\n",
+ "Ri=1/(4*f*1000*C)\n",
+ "\n",
+ "#Result\n",
+ "print\"Value of Ri is\",Ri/1000,\"Kohm\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Value of Ri is 25.0 Kohm\n"
+ ]
+ }
+ ],
+ "prompt_number": 33
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 6.12 Page No 175"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "Ei = 1.0 \n",
+ "#Angle given in degree\n",
+ "t1 = 45.0 \n",
+ "t2 = 90.0\n",
+ "t3 = 225.0\n",
+ "t4 = 405.0\n",
+ "\n",
+ "#Calculation\n",
+ "import math\n",
+ "Vang1 = (20*10**-3)*t1 \n",
+ "Vang2 = (20*10**-3)*t2 \n",
+ "Vang3 = (20*10**-3)*t3 \n",
+ "Vang4 = (20*10**-3)*t4\n",
+ "Vo1 = Ei*math.sin(t1*3.14/180.0)\n",
+ "Vo2 = Ei*math.sin(t2*3.14/180.0)\n",
+ "Vo3 = Ei*math.sin(t3*3.14/180.0)\n",
+ "Vo4 = Ei*math.sin(t4*3.14/180.0)\n",
+ "\n",
+ "#Result\n",
+ "print\" Input Voltages are \", Vang1,\"V, \",Vang2,\"V ,\",Vang3,\"V,\",Vang4 , \"V\"\n",
+ "print\" Output Voltages are \", round(Vo1,3),\"V,\",round(Vo2,3),\"V,\",round(Vo3,3),\"V,\",round(Vo4,3),\"V\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Input Voltages are 0.9 V, 1.8 V , 4.5 V, 8.1 V\n",
+ " Output Voltages are 0.707 V, 1.0 V, -0.706 V, 0.705 V\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 6.13 Page No 178"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "R1 = 10*10**3 \n",
+ "R2 = 100*10**3 \n",
+ "C = 0.025*10**-6\n",
+ "\n",
+ "#Calculation\n",
+ "f1 = 1 / (4*R1*C) \n",
+ "f2 = 1 / (4*R2*C) \n",
+ "\n",
+ "#Result\n",
+ "print\" Frequency when Ri is 10KiloOhm is \" , f1/1000.0,\"KHz\"\n",
+ "print\" Frequency when Ri is 100KiloOhm is \" , f2,\"Hz\"\n",
+ " "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Frequency when Ri is 10KiloOhm is 1.0 KHz\n",
+ " Frequency when Ri is 100KiloOhm is 100.0 Hz\n"
+ ]
+ }
+ ],
+ "prompt_number": 19
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
generated by cgit (git 2.34.1) at 2025-04-05 04:07:07 +0000