From 1b0d935754549d175d2bad3d5eb5dc541bd7a0d4 Mon Sep 17 00:00:00 2001 From: root Date: Mon, 7 Jul 2014 16:45:58 +0530 Subject: removing unwanted files --- Electronic_Principles_/Chapter_5_New.ipynb | 446 ----------------------------- 1 file changed, 446 deletions(-) delete mode 100644 Electronic_Principles_/Chapter_5_New.ipynb (limited to 'Electronic_Principles_/Chapter_5_New.ipynb') diff --git a/Electronic_Principles_/Chapter_5_New.ipynb b/Electronic_Principles_/Chapter_5_New.ipynb deleted file mode 100644 index cfea03f3..00000000 --- a/Electronic_Principles_/Chapter_5_New.ipynb +++ /dev/null @@ -1,446 +0,0 @@ -{ - "metadata": { - "name": "" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "CHAPTER 5 SPECIAL-PURPOSE DIODES" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5-1, Page 146" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "Vsmin=20 #Source voltage minimum(V)\n", - "Vsmax=40 #Source voltage maximum(V)\n", - "Vbd=10 #Breakdown voltage(V)\n", - "R=0.82 #Resistance(KOhm)\n", - "\n", - "Vr1=Vsmin-Vbd #voltage across resistor(V)\n", - "Is1=Vr1/R #Minimum current(mA)\n", - "Vr2=Vsmax-Vbd #voltage across resistor(V)\n", - "Is2=Vr2/R #Maximum current(mA)\n", - "\n", - "print 'Ideally, zener diode acts as a battery(of breakdown voltage = 10V) shown in figure 5-4b'\n", - "print 'Minimum current Is1=',round(Is1,2),'mA'\n", - "print 'Maximum current Is1=',round(Is2,2),'mA'" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Ideally, zener diode acts as a battery(of breakdown voltage = 10V) shown in figure 5-4b\n", - "Minimum current Is1= 12.2 mA\n", - "Maximum current Is1= 36.59 mA\n" - ] - } - ], - "prompt_number": 1 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5-2, Page 149" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "Vs=18 #supply voltage(V)\n", - "Rs=0.27 #source resistance(KOhm)\n", - "RL=1 #Load resistance(KOhm)\n", - "Vz=10 #Zener voltage(V)\n", - "\n", - "VTH=(RL/(Rs+RL))*Vs #Thevenin voltage(V)\n", - "\n", - "print 'Thevenin voltage VTH = ',round(VTH,2),'V'\n", - "print 'Thevenin voltage is greater than zener voltage, zener diode is operating in breakdown region.'" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Thevenin voltage VTH = 14.17 V\n", - "Thevenin voltage is greater than zener voltage, zener diode is operating in breakdown region.\n" - ] - } - ], - "prompt_number": 2 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5-3, Page 149" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "Vs=18 #supply voltage(V)\n", - "Rs=0.27 #source resistance(KOhm)\n", - "RL=1 #Load resistance(KOhm)\n", - "Vbd=10 #Zener voltage(V)\n", - "\n", - "Vr=Vs-Vbd #voltage across resistor(V)\n", - "Is=Vr/Rs #Current(mA)\n", - "IL=Vbd/RL #Current(mA)\n", - "Iz=Is-IL #Zener current(mA)\n", - "\n", - "print 'Load current IL = ',IL,'mA'\n", - "print 'Zener current Iz = ',round(Iz,2),'mA'" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Load current IL = 10 mA\n", - "Zener current Iz = 19.63 mA\n" - ] - } - ], - "prompt_number": 3 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5-7, Page 153" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "Iz=20 #zener current(mA)\n", - "Rz=8.5 #zener resistance(Ohm)\n", - "Vbd=10 #Zener voltage(V)\n", - "\n", - "DVL=Iz*Rz/1000 #change in load voltage(V)\n", - "VL=Vbd+DVL #Load voltage(V)\n", - "\n", - "print 'Change in load voltage DVL =',DVL,'V'\n", - "print 'Load voltage with second approx., VL =',VL,'V'" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Change in load voltage DVL = 0.17 V\n", - "Load voltage with second approx., VL = 10.17 V\n" - ] - } - ], - "prompt_number": 15 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5-8, Page 154" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "Rs=270 #Source resistance (Ohm)\n", - "Rz=8.5 #zener resistance(Ohm)\n", - "VRin=2 #Zener voltage(V)\n", - "\n", - "VRout=(Rz/Rs)*VRin*1000 #Load ripple voltage(V)\n", - "\n", - "print 'Load ripple voltage VRout=',round(VRout,2),'mV'" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Load ripple voltage VRout= 62.96 mV\n" - ] - } - ], - "prompt_number": 4 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5-10, Page 157" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "Vil=22 #input voltage range low(V)\n", - "Vih=30 #input voltage range high(V)\n", - "Vz=12 #regulated output voltage(V)\n", - "Rl=140 #Load resistance low(KOhm)\n", - "Rh=10 #Load resistance high(KOhm)\n", - "\n", - "RSmax=Rl*(float(Vil)/float(Vz)-1) #Maximum series resistance\n", - "\n", - "print 'Maximum series resistance RSmax =',round(RSmax,2),'V'" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Maximum series resistance RSmax = 116.67 V\n" - ] - } - ], - "prompt_number": 5 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5-11, Page 157" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "\n", - "Vil=15 #input voltage range low(V)\n", - "Vih=20 #input voltage range high(V)\n", - "Vz=6.8 #regulated output voltage(V)\n", - "Il=5 #Load current low(mA)\n", - "Ih=20 #Load current high(mA)\n", - "\n", - "RSmax=(Vil-float(Vz))/Ih*1000 #Maximum series resistance\n", - "\n", - "print 'Maximum series resistance RSmax =',RSmax,'V'" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Maximum series resistance RSmax = 410.0 V\n" - ] - } - ], - "prompt_number": 69 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5-12, Page 168" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "Vi=50 #voatage supply(V)\n", - "Rs=2.2 #series resistance(KOhm)\n", - "Vf=2 #forward approx. voltage\n", - " \n", - "Is=(Vi-Vf)/Rs\n", - "\n", - "print 'LED current Is =',round(Is,2),'mA'" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "LED current Is = 21.82 mA\n" - ] - } - ], - "prompt_number": 6 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5-13, Page 168" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "Vs=9 #voatage supply(V)\n", - "Rs=470.0 #series resistance(Ohm)\n", - "Vf=2 #forward approx. voltage\n", - " \n", - "Is=(Vs-Vf)/Rs\n", - "\n", - "print 'LED current Is =',round((Is*1000),2),'mA'" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "LED current Is = 14.89 mA\n" - ] - } - ], - "prompt_number": 12 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5-14, Page 169" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "import math\n", - "\n", - "Vac=20 #AC voatage supply(V)\n", - "Rs=680.0 #series resistance(KOhm)\n", - " \n", - "Vacp=1.414*Vac #peak source voltage(V)\n", - "Is1=(Vacp/Rs)*1000 #approx. peak current(mA)\n", - "Is2=Is1/math.pi #average of half-wave current through LED(mA)\n", - "P=(Vac)**2/Rs #Power dissipation(W)\n", - "\n", - "print 'approx. peak LED current Is1 =',round(Is1,2),'mA'\n", - "print 'average of half-wave current through LED Is2 =',round(Is2,2),'mA'\n", - "print 'Power dissipation P =',round(P,2),'W'" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "approx. peak LED current Is1 = 41.59 mA\n", - "average of half-wave current through LED Is2 = 13.24 mA\n", - "Power dissipation P = 0.59 W\n" - ] - } - ], - "prompt_number": 17 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 5-15, Page 170" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "import math\n", - "\n", - "Vs=120 #AC voatage supply(V)\n", - "f=60 #frequency(Hz)\n", - "C=0.68 #series resistance(KOhm)\n", - " \n", - "Xc=1/(2*math.pi*f*C)*1000 #capacitive reactance(KOhm)\n", - "Vacp=Vs*1.414\n", - "Is1=(Vacp/Xc) #approx. peak current(mA)\n", - "Is2=Is1/math.pi #average current through LED(mA)\n", - "\n", - "print 'Capacitance reactance Xc = ',round(Xc,2),'KOhm'\n", - "print 'approx. peak LED current Is1 =',round(Is1,2),'mA'\n", - "print 'average current through LED Is2 =',round(Is2,2),'mA'" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Capacitance reactance Xc = 3.9 KOhm\n", - "approx. peak LED current Is1 = 43.5 mA\n", - "average current through LED Is2 = 13.85 mA\n" - ] - } - ], - "prompt_number": 18 - }, - { - "cell_type": "code", - "collapsed": false, - "input": [], - "language": "python", - "metadata": {}, - "outputs": [] - } - ], - "metadata": {} - } - ] -} \ No newline at end of file -- cgit