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/Chapter10_2.ipynb | 587 ++++++++++++++++++++++ 1 file changed, 587 insertions(+) create mode 100755 Electronic_Devices_and_Circuits/Chapter10_2.ipynb (limited to 'Electronic_Devices_and_Circuits/Chapter10_2.ipynb') diff --git a/Electronic_Devices_and_Circuits/Chapter10_2.ipynb b/Electronic_Devices_and_Circuits/Chapter10_2.ipynb new file mode 100755 index 00000000..b92c4b1d --- /dev/null +++ b/Electronic_Devices_and_Circuits/Chapter10_2.ipynb @@ -0,0 +1,587 @@ +{ + "metadata": { + "name": "" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 10 : FET biasing" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 10.1, Page No 381" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "\n", + "Vdd=22.0\n", + "Rd=2.0*10**3\n", + "\n", + "#Calculations\n", + "print(\"when Id=0\")\n", + "Id=0\n", + "Vds=Vdd-Id*Rd\n", + "print('at point A Vds = %.2f V' %Vds)\n", + "Vds=0\n", + "Id=Vdd/Rd\n", + "\n", + "#Results\n", + "print(\"when Vds=0\")\n", + "print('at point A Id = %.2f mA' %(Id*10**3))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "when Id=0\n", + "at point A Vds = 22.00 V\n", + "when Vds=0\n", + "at point A Id = 11.00 mA\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 10.4, Page No 387" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#initialisation of variables\n", + "\n", + "Idss=8.0*10**-3\n", + "Vpmax=6.0\n", + "Vgs=2.3\n", + "Vgsmax=6\n", + "\n", + "#Calculations\n", + "Id=Idss*(1-(Vgs/Vgsmax))**2\n", + "Idss=4*10**-3\n", + "Vp=3\n", + "Idmin=Idss*(1-(Vgs/Vp))**2\n", + "\n", + "#Results\n", + "print('at point A Idmin = %.2f mA' %(Idmin*10**3))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "at point A Idmin = 0.22 mA\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 10.6 Page No 393" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#initialisation of variables\n", + "Vdd=25.0\n", + "R2=1.0*10**6\n", + "R1=3.8*10**6\n", + "Rs=2.5*10**3\n", + "Rd=2.5*10**3\n", + "\n", + "#Calculations\n", + "Vg=(Vdd*R2)/(R1+R2)\n", + "print(\"when Id=0\")\n", + "Id=0\n", + "Vgs=Vg-Id*Rs\n", + "print(\" plot point A at Id=0\")\n", + "print('at point A Vds = %.2f A/s' %Vds)\n", + "Vgs=0\n", + "Id=Vg/Rs\n", + "print(\" plot point B Vgs=0\")\n", + "print('at point A Id = %.2f A/s' %Id)\n", + "Idmax=3*10**-3\n", + "Idmin=2.3*10**-3\n", + "Vdsmin=Vdd-Idmax*(Rd+Rs)\n", + "Vdsmax=Vdd-Idmin*(Rd+Rs)\n", + "\n", + "#Results\n", + "print('The value of Vdsmax = %.2f V' %(Vdsmax))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "when Id=0\n", + " plot point A at Id=0\n", + "at point A Vds = 0.00 A/s\n", + " plot point B Vgs=0\n", + "at point A Id = 0.00 A/s\n", + "The value of Vdsmax = 13.50 V\n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 10.7, Page No 401" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "\n", + "Id=3.0*10**-3\n", + "Vgs=-2.3\n", + "Vdsmin=10.0\n", + "Vdd=25.0\n", + "Vgsoff=-6\n", + "Idss=8.0*10**-3\n", + "\n", + "#Calculations\n", + "Vgs=Vgsoff*(1-math.sqrt(Id/Idss))\n", + "Rd=(Vdd-Vdsmin)/Id\n", + "\n", + "#Results\n", + "print('The value of Td = %.2f kohm' %(Rd/1000))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The value of Td = 5.00 kohm\n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 10.8 Page No 403" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "Id=3.0*10**-3\n", + "Vds=10.0\n", + "Vdd=25.0\n", + "Vgs=2.3\n", + "\n", + "#Calculations\n", + "Rs=Vgs/Id\n", + "Rd=((Vdd-Vds)/Id)-Rs\n", + "\n", + "#Results\n", + "print('The value of Rd = %.2f ohm' %(Rd/1000))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The value of Rd = 4.23 ohm\n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 10.9 Page No 405" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#initialisation of variables\n", + "Id=3.0*10**-3\n", + "Vds=10.0\n", + "Vdd=25.0\n", + "Vg=5.2\n", + "Vgsoff=-6\n", + "Idss=8.0*10**-3\n", + "R2=1.0*10**6\n", + "\n", + "#Calculations\n", + "R=(Vdd-Vds)/Id#R=(Rs+Rd)/2\n", + "Rd=R/2\n", + "Rs=Rd\n", + "Vgs=Id*Rs\n", + "Vgs=Vgsoff*(1-math.sqrt(Id/Idss))\n", + "Vs=Id*Rs\n", + "Vg=Vs-(-Vgs)\n", + "R1=((Vdd-Vg)*R2)/Vg\n", + "\n", + "#Results\n", + "print('The value of R = %.2f Mohm' %(R1/10**6))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The value of R = 3.83 Mohm\n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 10.11, Page No 412" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "\n", + "Vee=20.0\n", + "Id=3.0*10**-3\n", + "Vds=9.0\n", + "Vbe=.7\n", + "Vb=0\n", + "Ve=Vee-Vbe\n", + "\n", + "#Calculations\n", + "Re=Ve/Id\n", + "Re=6.8*10**3#satnadard value\n", + "Id=Ve/Re\n", + "Idss=16*10**-3\n", + "Vgsoff=-8\n", + "Vgs=Vgsoff*(1-math.sqrt(Id/Idss))\n", + "Vs=Vb-Vgs\n", + "Vrd=Vee-Vds-Vs\n", + "Rd=Vrd/Id\n", + "\n", + "#Results\n", + "print('The value of Rd = %.2f V' %(Rd/1000))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The value of Rd = 2.24 V\n" + ] + } + ], + "prompt_number": 7 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 10.12 Page No 415" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math \n", + "\n", + "#initialisation of variables\n", + "Idss=5.0*10**-3\n", + "Vgsoff=6.0\n", + "Rs=3.3*10**3\n", + "Vdd=20.0\n", + "Rd=Rs\n", + "\n", + "#Calculations\n", + "print(\"when Id=0 % Vgs=Vs=0\")\n", + "Id=0\n", + "Vgs=0\n", + "Vs=0\n", + "print(\" at point A universal transfer characteristic Id/Idss and Vgs/Vgsoff=0\")\n", + "Id=1.5*10**-3\n", + "Vgs=Id*Rs\n", + "y=Id/Idss\n", + "x=Vgs/Vgsoff\n", + "print(\" point B the universal transfer charecteristic x=.825 and y=.3\")\n", + "Id=.2*Idss\n", + "Vds=Vdd-Id*(Rd+Rs)\n", + "\n", + "#Results\n", + "print('The value of Vds = %.2f V' %(Vds))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "when Id=0 % Vgs=Vs=0\n", + " at point A universal transfer characteristic Id/Idss and Vgs/Vgsoff=0\n", + " point B the universal transfer charecteristic x=.825 and y=.3\n", + "The value of Vds = 13.40 V\n" + ] + } + ], + "prompt_number": 8 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 10.13 Page No 416" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "\n", + "Idss=9.0*10**-3\n", + "Vgsoff=7.0\n", + "Vdd=22.0\n", + "R1=4.7*10**6\n", + "R2=1.0*10**6\n", + "Rs=2.7*10**3\n", + "Rd=Rs\n", + "\n", + "#Calculations\n", + "Vg=(Vdd*R2)/(R1+R2)\n", + "print(\"when Vgs=0 % Vgs/Vgsoff=0\")\n", + "Id=Vg/Rs\n", + "print(\"when Vgs/Vgsoff=.5\")\n", + "Vgs=.5*(-Vgsoff)\n", + "Id=(Vg-Vgs)/Rs\n", + "x=Id/Idss\n", + "print(\" point Y on universal characteristic x=.3 and Vgs/Vgsoff=.5\")\n", + "print(\"draw voltage divider bias line through X nad Y where bisa line intersect transfer curve\")\n", + "Id=.29*Idss\n", + "Vds=Vdd-Id*(Rd+Rs)\n", + "\n", + "#Results\n", + "print('The value of Vds= %.2f V' %(Vds))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "when Vgs=0 % Vgs/Vgsoff=0\n", + "when Vgs/Vgsoff=.5\n", + " point Y on universal characteristic x=.3 and Vgs/Vgsoff=.5\n", + "draw voltage divider bias line through X nad Y where bisa line intersect transfer curve\n", + "The value of Vds= 7.91 V\n" + ] + } + ], + "prompt_number": 9 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 10.14 Page No 419" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#initialisation of variables\n", + "\n", + "Vdd=40.0\n", + "R2=1.0*10**6\n", + "R1=5.6*10**6\n", + "Rd=4.7\n", + "\n", + "#Calculations\n", + "Vg=(Vdd*R2)/(R1+R2)\n", + "print(\"from the point where the bias line intersect the transfer curve\")\n", + "Id=6.2\n", + "Vds=Vdd-Id*Rd\n", + "\n", + "#Results\n", + "print('The value of Vds= %.2f V' %(Vds))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "from the point where the bias line intersect the transfer curve\n", + "The value of Vds= 10.86 V\n" + ] + } + ], + "prompt_number": 10 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 10.16, Page No 422" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "\n", + "#initialisation of variables\n", + "rDS=25.0\n", + "Vgsoff=10.0\n", + "Vds=200.0*10**-3\n", + "Vdd=12.0\n", + "\n", + "#Calculations\n", + "Id=Vds/rDS\n", + "Rd=Vdd/Id\n", + "Vi=-(Vgsoff+1)\n", + "\n", + "#Results\n", + "print('The value of Vi= %.2f V' %(Vi))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The value of Vi= -11.00 V\n" + ] + } + ], + "prompt_number": 11 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 10.17, Page No 424" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "#initialisation of variables\n", + "\n", + "Vdd=50.0\n", + "Rd=10.0\n", + "R2=1.0*10**6\n", + "rDS=0.25\n", + "\n", + "#Calculations\n", + "Id=Vdd/Rd\n", + "print(\" from transfer curve at Id=5 and Vgs=5.7\")\n", + "Vgs=5.7\n", + "R1=((Vdd-Vgs)*R2)/Vgs#use 6.8Mohm to make Vgs>5.7V to ensure that the FET is biased on\n", + "Vds=Id*rDS\n", + "\n", + "#Results\n", + "print('The value of Vds= %.2f V' %(Vds))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " from transfer curve at Id=5 and Vgs=5.7\n", + "The value of Vds= 1.25 V\n" + ] + } + ], + "prompt_number": 12 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit