From fffcc90da91b66ee607066d410b57f34024bd1de Mon Sep 17 00:00:00 2001 From: Jovina Dsouza Date: Mon, 7 Jul 2014 16:34:28 +0530 Subject: adding book --- Electronic_Principles/Chapter_4_New.ipynb | 515 ++++++++++++++++++++++++++++++ 1 file changed, 515 insertions(+) create mode 100755 Electronic_Principles/Chapter_4_New.ipynb (limited to 'Electronic_Principles/Chapter_4_New.ipynb') diff --git a/Electronic_Principles/Chapter_4_New.ipynb b/Electronic_Principles/Chapter_4_New.ipynb new file mode 100755 index 00000000..b02a4e3e --- /dev/null +++ b/Electronic_Principles/Chapter_4_New.ipynb @@ -0,0 +1,515 @@ +{ + "metadata": { + "name": "" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "CHAPTER 4 DIODE CIRCUITS" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 4-1, Page 92" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "import math\n", + "\n", + "Vrms=10 #RMS Value of sine wave(V)\n", + "f=60 #frequency(Hz)\n", + "\n", + "Vp=Vrms/0.707 #peak source voltage(V)\n", + "Vpout=Vp #peak load voltage(V)\n", + "Vdc=Vp/math.pi #dc load voltage(V)\n", + "Vpouts=Vp-0.7 #peak load voltage in 2nd approx.\n", + "Vdc=Vpouts/math.pi #dc load voltage(V)\n", + "\n", + "print 'Vp=',round(Vp,2),'V'\n", + "print 'With an ideal diode, Vpout =',round(Vpout,2),'V'\n", + "print 'DC load voltage, Vdc =',round(Vdc,2),'V'\n", + "print 'With second approximation, Vpout =',round(Vpouts,2),'V'\n", + "print 'DC load voltage, Vdc =',round(Vdc,2),'V'" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Vp= 14.14 V\n", + "With an ideal diode, Vpout = 14.14 V\n", + "DC load voltage, Vdc = 4.28 V\n", + "With second approximation, Vpout = 13.44 V\n", + "DC load voltage, Vdc = 4.28 V\n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 4-2, Page 94" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "import math\n", + "\n", + "Vs=120 #supply voltage(V)\n", + "\n", + "V2=Vs/5 #Secondary voltage(V)\n", + "Vp=V2/0.707 #peak secondary voltage\n", + "Vpout=Vp #peak load voltage(V)\n", + "Vdc1=Vp/math.pi #dc load voltage(V)\n", + "Vpouts=Vp-0.7 #peak load voltage in 2nd approx.(V)\n", + "Vdc2=Vpouts/math.pi #dc load voltage(V)\n", + "\n", + "print 'As per fig.4-5, Transformer turns ratio is 5:1'\n", + "print 'V2=',round(V2,2),'V'\n", + "print 'Vp=',round(Vp,2),'V'\n", + "print 'With an ideal diode, Vpout =',round(Vpout,2),'V'\n", + "print 'DC load voltage, Vdc =',round(Vdc1,2),'V'\n", + "print 'With second approximation, Vpout =',round(Vpouts,2),'V'\n", + "print 'DC load voltage, Vdc =',round(Vdc2,2),'V'" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "As per fig.4-5, Transformer turns ratio is 5:1\n", + "V2= 24.0 V\n", + "Vp= 33.95 V\n", + "With an ideal diode, Vpout = 33.95 V\n", + "DC load voltage, Vdc = 10.81 V\n", + "With second approximation, Vpout = 33.25 V\n", + "DC load voltage, Vdc = 10.58 V\n" + ] + } + ], + "prompt_number": 10 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 4-3, Page 97" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "Vrms=120 #RMS value of supply(V)\n", + "N12=10 #turn ratio\n", + "\n", + "Vp1=Vrms/0.707 #peak primary voltage(V)\n", + "Vp2=Vp1/N12 #peak secondary voltage(V)\n", + "Vpin=0.5*Vp2 #input voltage(V)\n", + "Vpout=Vpin #Output voltage (V)\n", + "Vpouts=Vpin-0.7 #Output voltage in 2nd approx.(V)\n", + "\n", + "print 'Peak primary voltage Vp1=',round(Vp1,2),'V'\n", + "print 'Peak secondary voltage Vp2=',round(Vp2,2),'V'\n", + "print 'Due to center-tap,' \n", + "print 'input voltage to each half-wave rectifier is only half the secondary voltage:'\n", + "print 'With an ideal diode, Vpout =',round(Vpout,2),'V'\n", + "print 'With second approximation, Vpout =',round(Vpouts,2),'V'" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Peak primary voltage Vp1= 169.73 V\n", + "Peak secondary voltage Vp2= 16.97 V\n", + "Due to center-tap,\n", + "input voltage to each half-wave rectifier is only half the secondary voltage:\n", + "With an ideal diode, Vpout = 8.49 V\n", + "With second approximation, Vpout = 7.79 V\n" + ] + } + ], + "prompt_number": 11 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 4-4, Page 99" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "Vrms=120 #RMS value of supply(V)\n", + "N12=10 #turn ratio\n", + "\n", + "Vp1=Vrms/0.707 #peak primary voltage(V)\n", + "Vp2=Vp1/N12 #peak secondary voltage(V)\n", + "Vpin=0.5*Vp2 #input voltage(V)\n", + "Vpout=Vpin #Output voltage(V)\n", + "Vpouts=Vpin-0.7 #Output voltage in 2nd approx.(V)\n", + "\n", + "print 'Peak primary voltage Vp1=',round(Vp1,2),'V'\n", + "print 'Peak secondary voltage Vp2=',round(Vp2,2),'V'\n", + "print 'Due to one of the diodes were open, load voltage will be the half wave signal'\n", + "print 'But still peak of half wave signal is same as prior case'\n", + "print 'With an ideal diode, Vpout =',round(Vpout,2),'V'\n", + "print 'With second approximation, Vpout =',round(Vpouts,2),'V'" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Peak primary voltage Vp1= 169.73 V\n", + "Peak secondary voltage Vp2= 16.97 V\n", + "Due to one of the diodes were open, load voltage will be the half wave signal\n", + "But still peak of half wave signal is same as prior case\n", + "With an ideal diode, Vpout = 8.49 V\n", + "With second approximation, Vpout = 7.79 V\n" + ] + } + ], + "prompt_number": 12 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 4-5, Page 102" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "Vrms=120 #RMS value of supply(V)\n", + "N12=10 #turn ratio\n", + "\n", + "Vp1=Vrms/0.707 #peak primary voltage(V)\n", + "Vp2=Vp1/N12 #peak secondary voltage(V)\n", + "Vpout=Vp2 #Output voltage(V)\n", + "\n", + "print 'Peak primary voltage Vp1=',round(Vp1,2),'V'\n", + "print 'Peak secondary voltage Vp2=',round(Vp2,2),'V'\n", + "print 'secondary voltage is input of rectifier'\n", + "print 'With an ideal diode, Vpout =',round(Vpout,2),'V'" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Peak primary voltage Vp1= 169.73 V\n", + "Peak secondary voltage Vp2= 16.97 V\n", + "secondary voltage is input of rectifier\n", + "With an ideal diode, Vpout = 16.97 V\n" + ] + } + ], + "prompt_number": 13 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 4-6, Page 108" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "Vrms=120 #RMS value of supply(V)\n", + "N12=5 #turn ratio\n", + "RL=5 #Load resistance(KOhm)\n", + "C=100 #Capacitance(uF)\n", + "f=60 #Frequency(Hz)\n", + "\n", + "V2=Vrms/N12 #RMS secondary voltage(V)\n", + "Vp=V2/0.707 #peak secondary voltage(V)\n", + "VL=Vp #dc load voltage(V)\n", + "IL=VL/RL #Load current(mA)\n", + "VR=(IL/(f*C))*(10**3) #ripple voltage(V)\n", + "\n", + "print 'RMS secondary voltage V2=',V2,'V'\n", + "print 'Peak secondary voltage Vp=',round(Vp,2),'V'\n", + "print 'with ideal diode and small ripple, dc load voltage, VL =',round(VL,2),'V'\n", + "print 'To calculate ripple get, dc load current,'\n", + "print 'DC Load current IL=',round(IL,2),'mA'\n", + "print 'As per ripple formula,'\n", + "print 'Ripple voltage VR=',round(VR,2),'V'" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "RMS secondary voltage V2= 24 V\n", + "Peak secondary voltage Vp= 33.95 V\n", + "with ideal diode and small ripple, dc load voltage, VL = 33.95 V\n", + "To calculate ripple get, dc load current,\n", + "DC Load current IL= 6.79 mA\n", + "As per ripple formula,\n", + "Ripple voltage VR= 1.13 V\n" + ] + } + ], + "prompt_number": 14 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 4-7, Page 109" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "Vrms=120 #RMS value of supply(V)\n", + "N12=5 #turn ratio\n", + "RL=5 #Load resistance(KOhm)\n", + "C=100 #Capacitance(uF)\n", + "f=60 #Frequency(Hz)\n", + "\n", + "V2=Vrms/N12 #RMS secondary voltage(V)\n", + "Vp=V2/0.707 #peak secondary voltage(V)\n", + "VL=Vp/2 #dc load voltage(V)\n", + "IL=VL/RL #Load current(mA)\n", + "VR=(IL/(2*f*C))*(10**3) #ripple voltage(V)\n", + "\n", + "print 'RMS secondary voltage V2=',V2,'V'\n", + "print 'Peak secondary voltage Vp=',round(Vp,2),'V'\n", + "print 'Half this voltage is input to each half-wave section, with ideal diode and small ripple, dc load voltage, VL =',round(VL,2),'V'\n", + "print 'But, due to 0.7V across conducting diode actual dc voltage is, VL =',round((VL-0.7),2),'V'\n", + "print 'To calculate ripple get, dc load current,'\n", + "print 'DC Load current IL=',round(IL,2),'mA'\n", + "print 'As per ripple formula,'\n", + "print 'Ripple voltage VR=',round(VR,2),'V'" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "RMS secondary voltage V2= 24 V\n", + "Peak secondary voltage Vp= 33.95 V\n", + "Half this voltage is input to each half-wave section, with ideal diode and small ripple, dc load voltage, VL = 16.97 V\n", + "But, due to 0.7V across conducting diode actual dc voltage is, VL = 16.27 V\n", + "To calculate ripple get, dc load current,\n", + "DC Load current IL= 3.39 mA\n", + "As per ripple formula,\n", + "Ripple voltage VR= 0.28 V\n" + ] + } + ], + "prompt_number": 15 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 4-8, Page 110" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "Vrms=120 #RMS value of supply(V)\n", + "N12=5 #turn ratio\n", + "RL=5 #Load resistance(KOhm)\n", + "C=100 #Capacitance(uF)\n", + "f=60 #Frequency(Hz)\n", + "\n", + "V2=Vrms/N12 #RMS secondary voltage(V)\n", + "Vp=V2/0.707 #peak secondary voltage(V)\n", + "VL=Vp #dc load voltage(V)\n", + "IL=VL/RL #Load current(mA)\n", + "VR=(IL/(2*f*C))*(10**3) #ripple voltage(V)\n", + "\n", + "print 'RMS secondary voltage V2=',V2,'V'\n", + "print 'Peak secondary voltage Vp=',round(Vp,2),'V'\n", + "print 'with ideal diode and small ripple, dc load voltage, VL =',round(VL,2),'V'\n", + "print 'But, due to 1.4V across two conducting diodes actual dc voltage is, VL =',round((VL-1.4),2),'V'\n", + "print 'To calculate ripple get, dc load current,'\n", + "print 'DC Load current IL=',round(IL,2),'mA'\n", + "print 'As per ripple formula,'\n", + "print 'Ripple voltage VR=',round(VR,2),'V'" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "RMS secondary voltage V2= 24 V\n", + "Peak secondary voltage Vp= 33.95 V\n", + "with ideal diode and small ripple, dc load voltage, VL = 33.95 V\n", + "But, due to 1.4V across two conducting diodes actual dc voltage is, VL = 32.55 V\n", + "To calculate ripple get, dc load current,\n", + "DC Load current IL= 6.79 mA\n", + "As per ripple formula,\n", + "Ripple voltage VR= 0.57 V\n" + ] + } + ], + "prompt_number": 16 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 4-9, Page 111" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "Vrms=120 #RMS value of supply(V)\n", + "N12=15 #turn ratio\n", + "RL=0.5 #Load resistance(KOhm)\n", + "C=4700 #Capacitance(uF)\n", + "f=60 #Frequency(Hz)\n", + "\n", + "V2=Vrms/N12 #RMS secondary voltage(V)\n", + "Vp=V2/0.707 #peak secondary voltage(V)\n", + "VL=Vp-1.4 #dc load voltage(V)\n", + "IL=VL/RL #Load current(mA)\n", + "VR=(IL/(2*f*C))*(10**3) #ripple voltage(V)\n", + "\n", + "print 'RMS secondary voltage V2=',V2,'V'\n", + "print 'Peak secondary voltage Vp=',round(Vp,2),'V'\n", + "print 'with ideal diode and small ripple & due to 1.4V across two conducting diodes actual dc voltage is, VL =',round(VL,2),'V'\n", + "print 'To calculate ripple get, dc load current,'\n", + "print 'DC Load current IL=',round(IL,2),'mA'\n", + "print 'As per ripple formula,'\n", + "print 'Ripple voltage VR=',round((VR*1000),2),'mV'" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "RMS secondary voltage V2= 8 V\n", + "Peak secondary voltage Vp= 11.32 V\n", + "with ideal diode and small ripple & due to 1.4V across two conducting diodes actual dc voltage is, VL = 9.92 V\n", + "To calculate ripple get, dc load current,\n", + "DC Load current IL= 19.83 mA\n", + "As per ripple formula,\n", + "Ripple voltage VR= 35.16 mV\n" + ] + } + ], + "prompt_number": 17 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 4-10, Page 114" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "Vrms=120 #RMS value of supply(V)\n", + "N12=8 #turn ratio\n", + "f=60 #Frequency(Hz)\n", + "\n", + "V2=Vrms/N12 #RMS secondary voltage(V)\n", + "Vp=V2/0.707 #peak secondary voltage(V)\n", + "PIV = Vp #Peak Inverse Voltage(V)\n", + "\n", + "print 'RMS secondary voltage V2=',V2,'V'\n", + "print 'Peak inverse voltage PIV =',round(PIV,2),'V'\n", + "print 'PIV << breakdown voltage(50V), So, it is safe to use IN4001'" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "RMS secondary voltage V2= 15 V\n", + "Peak inverse voltage PIV = 21.22 V\n", + "PIV << breakdown voltage(50V), So, it is safe to use IN4001\n" + ] + } + ], + "prompt_number": 18 + }, + { + "cell_type": "code", + "collapsed": false, + "input": [], + "language": "python", + "metadata": {}, + "outputs": [] + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit