From c7fe425ef3c5e8804f2f5de3d8fffedf5e2f1131 Mon Sep 17 00:00:00 2001 From: hardythe1 Date: Tue, 7 Apr 2015 15:58:05 +0530 Subject: added books --- Electronic_Devices_and_Circuits/Chapter13_1.ipynb | 733 ++++++++++++++++++++++ 1 file changed, 733 insertions(+) create mode 100755 Electronic_Devices_and_Circuits/Chapter13_1.ipynb (limited to 'Electronic_Devices_and_Circuits/Chapter13_1.ipynb') diff --git a/Electronic_Devices_and_Circuits/Chapter13_1.ipynb b/Electronic_Devices_and_Circuits/Chapter13_1.ipynb new file mode 100755 index 00000000..0a7d7550 --- /dev/null +++ b/Electronic_Devices_and_Circuits/Chapter13_1.ipynb @@ -0,0 +1,733 @@ +{ + "metadata": { + "name": "" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 13 : Amplifier with negative feedback" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.1, Page No 547" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "Av=100000.0\n", + "B=1.0/100\n", + "print(\"when Av=100000\")\n", + "\n", + "#Calculations\n", + "Acl=Av/(1+Av*B)\n", + "print(\"when Av is 150000\")\n", + "Av=150000\n", + "Acl=Av/(1+Av*B)\n", + "\n", + "#Results\n", + "print(\"when Av is 50000\")\n", + "Av=50000\n", + "Acl=Av/(1+Av*B)\n", + "print('The value of Acl= %.2f ' %(Acl))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "when Av=100000\n", + "when Av is 150000\n", + "when Av is 50000\n", + "The value of Acl= 99.80 \n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.2, Page No 549" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#initialisation of variables\n", + "Rf2=560.0\n", + "Rf1=56.0*10**3\n", + "Av=100000.0\n", + "Zb=1.0*10**3\n", + "R1=68.0*10**3\n", + "R2=33.0*10**3\n", + "\n", + "#Calculations\n", + "B=Rf2/(Rf2+Rf1)\n", + "Zi=(1+Av*B)*Zb\n", + "Zin=(Zi*R1*R2)/(R1*R2+R1*Zi+R2*Zi)\n", + "\n", + "#Results\n", + "print(\"input impedance with negative feedback is %.2f ohm \" %(Zin/10**3))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "input impedance with negative feedback is 21.73 ohm \n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.3 Page No 552" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#initialisation of variables\n", + "\n", + "Zb=1.0*10**3\n", + "B=1.0/100\n", + "Av=5562.0\n", + "R1=68.0*10**3\n", + "R2=47.0*10**3\n", + "hoe=1.0/(50*10**3)\n", + "Rc=3.9*10**3\n", + "\n", + "#Calculations\n", + "Zi=(1+Av*B)*Zb\n", + "Zin=(R1*R2*Zi)/(R1*R2+R2*Zi+R1*Zi)\n", + "Zo=(1/hoe)/(1+Av*B)\n", + "Zout=(Rc*Zo)/(Rc+Zo)\n", + "\n", + "#Results\n", + "print(\" circuit output impedance is %.2f ohm \" %Zout)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " circuit output impedance is 720.04 ohm \n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.4, Page No 554" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "\n", + "Zb=1.0*10**3\n", + "hoe=1.0/(85*10**3)\n", + "Av=58000.0\n", + "Rf2=220.0\n", + "Rf1=16.2*10**3\n", + "R1=120.0*10**3\n", + "R2=39.0*10**3\n", + "R7=12.0*10**3\n", + "\n", + "#Calculations\n", + "B=Rf2/(Rf2+Rf1)\n", + "print(\"voltage gain\")\n", + "Acl=Av/(1+Av*B)\n", + "Zi=Zb*(1+Av*B)\n", + "Zin=(Zi*R1*R2)/(Zi*R1+R2*R1+R2*Zi)\n", + "Zo=(1/hoe)/(1+Av*B)\n", + "Zout=(R7*Zo)/(R7+Zo)\n", + "\n", + "#Results\n", + "print(\"output impedance is %.2f ohm \" %Zout)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "voltage gain\n", + "output impedance is 108.25 ohm \n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.5 Page No 558" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "\n", + "Rf2=220.0\n", + "R4=3.9*10**3\n", + "Acl=75.0\n", + "f=100.0\n", + "\n", + "#Calculations\n", + "Rf1=(Acl-1)*Rf2\n", + "Xc2=Rf2\n", + "C2=1/(2*3.14*f*Rf2)\n", + "Xcf1=Rf1/100\n", + "Cf1=1/(2*3.14*f*Xcf1)\n", + "\n", + "#Results\n", + "print('The value of Cf1= %.2f mF' %(Cf1*10**6))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The value of Cf1= 9.78 mF\n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.6 Page No 560" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#initialisation of variables\n", + "Acl=300.0\n", + "Rf2=220.0\n", + "R4=4.7*10**3\n", + "f=100.0\n", + "\n", + "#Calculations\n", + "Rf1=(Acl-1)*Rf2\n", + "xc2=Rf2\n", + "C2=1.0/(2*3.14*f*Rf2)\n", + "\n", + "#Results\n", + "print('The value of C2= %.2f mf' %(C2*10**6))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The value of C2= 7.24 mf\n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.7, Page No 565" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "\n", + "hfe=100.0\n", + "Vbe=0.7\n", + "Ic1=1.0*10**-3\n", + "\n", + "#Calculations\n", + "Ic2=Ic1\n", + "Ic3=Ic2\n", + "Ic4=Ic3\n", + "Vee=10.0\n", + "Vce=3.0\n", + "Acl=33.0\n", + "print(\"different resistor value of circuit\")\n", + "R1=Vbe/((10*Ic1)/hfe)\n", + "R3=(Vee-Vbe)/(Ic1+Ic2)\n", + "Vr2=Vee+Vbe-Vce\n", + "R4=Vr2/Ic1\n", + "R2=R4\n", + "R7=(Vr2-Vbe)/(Ic3+Ic4)\n", + "R8=Vee/Ic3\n", + "R6=6.8*10**3\n", + "R5=(Acl-1)*R6\n", + "\n", + "#Results\n", + "print('The value of R5= %.2f kohm' %(R5/1000))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "different resistor value of circuit\n", + "The value of R5= 217.60 kohm\n" + ] + } + ], + "prompt_number": 7 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.8 Page No 566" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math \n", + "\n", + "#initialisation of variables\n", + "Av=25000.0\n", + "hie=2.0*10**3\n", + "hib=25.0\n", + "hoe=1.0/(100*10**3)\n", + "R6=6.8*10**3\n", + "R5=220.0*10**3\n", + "R1=R6\n", + "\n", + "#Calculations\n", + "R8=10*10**3\n", + "B=R6/(R5+R6)\n", + "Acl=Av/(1+Av*B)\n", + "Zi=2*hie*(1+Av*B)\n", + "Zin=(Zi*R1)/(Zi+R1)\n", + "Zo=(1/hoe)/(1+Av*B)\n", + "Zout=(R8*Zo)/(R8+Zo)\n", + "\n", + "#Results\n", + "print(\"output impedance is %.2f ohm \" %Zout)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "output impedance is 131.48 ohm \n" + ] + } + ], + "prompt_number": 8 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.9 Page No 568" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "\n", + "hic=2.0*10**3\n", + "hie=hic\n", + "hfe=100.0\n", + "hfc=100.0\n", + "Av=25000.0\n", + "B=1.0/33.4\n", + "\n", + "#Calculations\n", + "R8=10*10**3\n", + "R5=R8\n", + "Ze=(hic+R8)/hfc\n", + "Zo=Ze/(1+Av*B)\n", + "Zout=(R5*Zo)/(R5+Zo)\n", + "\n", + "#Results\n", + "print(\"output impedance is %.2fohm \" %Zout)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "output impedance is 0.16ohm \n" + ] + } + ], + "prompt_number": 9 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.10 Page No 570" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#initialisation of variables\n", + "hfemin=100.0\n", + "hfemax=400.0\n", + "hiemin=2.0*10**3\n", + "hiemax=5.0*10**3\n", + "Rc=12.0*10**3\n", + "Rl=120.0*10**3\n", + "Re1=150.0\n", + "\n", + "#Calculations\n", + "print(\" voltage gain at extreme value \")\n", + "Avmax=(hfemax*((Rc*Rl)/(Rc+Rl)))/(hiemax+Re1*(1+hfemax))\n", + "Avmin=(hfemin*((Rc*Rl)/(Rc+Rl)))/(hiemin+Re1*(1+hfemin))\n", + "\n", + "\n", + "#Results\n", + "print(\"approximate voltage gain\")\n", + "Av=((Rc*Rl)/(Rc+Rl))/Re1" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " voltage gain at extreme value \n", + "approximate voltage gain\n" + ] + } + ], + "prompt_number": 10 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.11, Page No 571" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#initialisation of variables\n", + "Av=70.0\n", + "f=100.0\n", + "rs=600.0\n", + "Rc=12.0*10**3\n", + "Rl=120*10**3\n", + "Re2=3.9*10**3\n", + "hie=2.0*10**3\n", + "hfe=100.0\n", + "R1=Rl\n", + "R2=39.0*10**3\n", + "Re1=150.0\n", + "\n", + "#Calculations\n", + "Zb=hie+Re1*(1+hfe)\n", + "Zin=(R1*R2*Zb)/(R1*R2+R1*Zb+R2*Zb)\n", + "C1=1/(2*3.14*f*((Zin+rs)/10))\n", + "C2=1/(2*3.14*f*Re1)\n", + "\n", + "#Results\n", + "print('The value of C2= %.2f mF ' %(C2*10**6))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The value of C2= 10.62 mF \n" + ] + } + ], + "prompt_number": 11 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.12, Page No 573" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "\n", + "Av=1000.0\n", + "f=100.0\n", + "hie=2.0*10**3\n", + "hfe=100.0\n", + "R8=12.0*10**3\n", + "Rl=120*10**3\n", + "R10=3.9*10**3\n", + "R6=Rl\n", + "R7=39.0*10**3\n", + "\n", + "#Calculations\n", + "R3=R8\n", + "Av1=math.sqrt(Av)\n", + "Av2=Av1\n", + "R9=((R8*Rl)/(R8+Rl))/Av2\n", + "R9=330#use standard value\n", + "Av2=((R8*Rl)/(R8+Rl))/R9\n", + "Av1=Av/Av2\n", + "Zb=hie+R9*(1+hfe)\n", + "Zin=(R6*R7*Zb)/(R6*R7+R6*Zb+R7*Zb)\n", + "R4=((R3*Zin)/(R3+Zin))/Av1\n", + "R5=R10-R4\n", + "\n", + "#Results\n", + "print('The value of R5= %.2f ' %(R5/1000))\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The value of R5= 3.67 \n" + ] + } + ], + "prompt_number": 12 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.13, Page No 574" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "\n", + "f=100.0\n", + "hie=2.0*10**3\n", + "hfe=100.0\n", + "R8=12.0*10**3\n", + "Rl=120.0*10**3\n", + "R10=3.9*10**3\n", + "R6=Rl\n", + "R7=39.0*10**3\n", + "R3=R8\n", + "R4=220.0\n", + "rs=600.0\n", + "Zin2=16.0*10**3\n", + "R9=330.0\n", + "\n", + "#Calculations\n", + "Zb=hie+R4*(1+hfe)\n", + "Zin=(R1*R2*Zb)/(R1*R2+R1*Zb+R2*Zb)\n", + "C1=1.0/(2*3.14*f*((Zin+rs)/10))\n", + "Xc2=0.65*R4\n", + "C2=1.0/(2*3.14*f*Xc2)\n", + "C3=1.0/(2*3.14*f*((Zin2+R3)/10))\n", + "C4=1.0/(2*3.14*f*.65*R9)\n", + "C5=1.0/(2*3.14*f*((R8+Rl)/10))\n", + "\n", + "#Results\n", + "print('The value of C5= %.2f mF ' %(C5*10**6))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The value of C5= 0.12 mF \n" + ] + } + ], + "prompt_number": 13 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.14, Page No 580" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "\n", + "hfe=100.0\n", + "hie=2.0*10**3\n", + "R4=100.0\n", + "R1=5.6*10**3\n", + "R6=2.2*10**3\n", + "\n", + "#Calculations\n", + "Zi=hie+(1+hfe)*R4\n", + "print(\"open loop current gain\")\n", + "Ai=(hfe*hfe*R1)/(R1+Zi)\n", + "B=R4/(R4+R6)\n", + "print(\"closed loop gain\")\n", + "Acl=Ai/(1+Ai*B)\n", + "Zi=hie/(1+Ai*B)\n", + "\n", + "#Results\n", + "print('The value of Zi= %.2f ohm ' %(Zi))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "open loop current gain\n", + "closed loop gain\n", + "The value of Zi= 14.43 ohm \n" + ] + } + ], + "prompt_number": 14 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 13.15, Page No 585" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "\n", + "Av=60000.0\n", + "Acl=300.0\n", + "f1=15.0*10**3\n", + "B=1.0/300\n", + "\n", + "#Calculations\n", + "f2=(Av*f1)/Acl\n", + "print(\"% distortion with NFB\")\n", + "NFB=(.1/(1+Av*B))*100.0\n", + "\n", + "#Results\n", + "print(\" percenatge distortion with NFB is %.3f percent \" %NFB)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "% distortion with NFB\n", + " percenatge distortion with NFB is 0.050 percent \n" + ] + } + ], + "prompt_number": 15 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit