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diff --git a/Electronic_Devices_and_Circuits_by_J._Paul/Ch6_1.ipynb b/Electronic_Devices_and_Circuits_by_J._Paul/Ch6_1.ipynb new file mode 100644 index 00000000..4ac77cf6 --- /dev/null +++ b/Electronic_Devices_and_Circuits_by_J._Paul/Ch6_1.ipynb @@ -0,0 +1,246 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 6 - BJT at High Frequency" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 337 example 1" + ] + }, + { + "cell_type": "code", + "execution_count": 1, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "transconductance g = 0.38 ampere/volt\n", + "input conductance gbe = 3.85e-03 ampere/volt\n", + "feedback conductance gbc = 3.85e-07 ampere/volt\n", + "base spread resistance rbb = 240.00 ohm\n", + "output conductance = 1.15e-06 ampere/volt\n", + "transition capacitance cbe = 1.22e-09 farad\n", + "rbc = 2.60e+06 ohm\n", + "rce = 8.67e+05 ohm\n" + ] + } + ], + "source": [ + "colcur=10*10**-3##ampere\n", + "vce=10##volt\n", + "hie=500##ohm\n", + "hoe=4*10**-5\n", + "hfe=100\n", + "hre=1*10**-4\n", + "fqu=50*10**6##hertz\n", + "q=3*10**12##farad\n", + "voltag=26*10**-3##volt\n", + "g=colcur/voltag\n", + "gbe=g/hfe\n", + "gbc=gbe*hre\n", + "rbb=hie-260\n", + "oucond=hoe-(1+hfe)*gbc\n", + "cbe=g/(2*3.14*fqu)\n", + "rbc=1/gbc\n", + "rce=1/oucond\n", + "print \"transconductance g = %0.2f\"%((g)),\"ampere/volt\"\n", + "print \"input conductance gbe = %0.2e\"%((gbe)),\"ampere/volt\"\n", + "print \"feedback conductance gbc = %0.2e\"%((gbc)),\"ampere/volt\"\n", + "print \"base spread resistance rbb = %0.2f\"%((rbb)),\"ohm\"\n", + "print \"output conductance = %0.2e\"%((oucond)),\"ampere/volt\"\n", + "print \"transition capacitance cbe = %0.2e\"%((cbe)),\"farad\"\n", + "print \"rbc = %0.2e\"%((rbc)),\"ohm\"##correction as 2.6mega ohm\n", + "print \"rce = %0.2e\"%((rce)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 337 example 2" + ] + }, + { + "cell_type": "code", + "execution_count": 2, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "fbeta = 1.00 hertz\n", + "f = 100.00 hertz\n", + "cbe = 3.06e-04 farad\n", + "rbe = 520.00 ohm\n", + "rbb = 80.00 ohm\n" + ] + } + ], + "source": [ + "colcur=5*10**-3##ampere\n", + "vce=10##volt\n", + "hfe=100\n", + "hie=600##ohm\n", + "cugain=10\n", + "fqu=10*10**6##hertz\n", + "\n", + "tracat=3*10**-12##farad\n", + "voltag=26*10**-3##volt\n", + "fbeta1=((((hfe**2)/(cugain**2))-1)/fqu**2)**(1/2)\n", + "fbeta1=1/fbeta1\n", + "fq1=hfe*fbeta1\n", + "cbe=colcur/(2*3.14*fq1*voltag)\n", + "rbe=hfe/(colcur/voltag)\n", + "rbb=hie-rbe\n", + "print \"fbeta = %0.2f\"%((fbeta1)),\"hertz\"\n", + "print \"f = %0.2f\"%((fq1)),\"hertz\"\n", + "print \"cbe = %0.2e\"%((cbe)),\"farad\"\n", + "print \"rbe = %0.2f\"%((rbe)),\"ohm\"\n", + "print \"rbb = %0.2f\"%((rbb)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 338 example 3" + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "cde = 8.18e-12 farad\n", + "frequency = 1.50e+09 hertz\n" + ] + } + ], + "source": [ + "w=1*10**-4##centimetre\n", + "em1cur=2*10**-3##ampere\n", + "q=47\n", + "voltag=26*10**-3##volt\n", + "cde=(em1cur*w**2)/(voltag*2*q)\n", + "fq1=(em1cur)/(2*3.14*cde*voltag)\n", + "print \"cde = %0.2e\"%((cde)),\"farad\"\n", + "print \"frequency = %0.2e\"%((fq1)),\"hertz\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 339 example 6" + ] + }, + { + "cell_type": "code", + "execution_count": 4, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "re = 13.00 ohm\n", + "falpha = 5.99e+07 hertz\n", + "cde = 2.05e-10 farad\n", + "w = 2.66e-09 second\n" + ] + } + ], + "source": [ + "w=5*10**-4##centimetre\n", + "em1cur=2*10**-3##ampere\n", + "q=47\n", + "voltag=26*10**-3##volt\n", + "re=voltag/em1cur\n", + "fq1=2*q/(w**2*2*3.14)\n", + "cde=(em1cur*w**2)/(voltag*2*q)\n", + "w=(w**2)/(2*q)\n", + "print \"re = %0.2f\"%((re)),\"ohm\"\n", + "print \"falpha = %0.2e\"%((fq1)),\"hertz\"\n", + "print \"cde = %0.2e\"%((cde)),\"farad\"\n", + "print \"w = %0.2e\"%((w)),\"second\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber example 8" + ] + }, + { + "cell_type": "code", + "execution_count": 5, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "f = 1.50e+13 hertz\n", + "cde = 1.64e-15 farad\n" + ] + } + ], + "source": [ + "w=10**-6##centimetre\n", + "em1cur=4*10**-3##ampere\n", + "voltag=26*10**-3##volt\n", + "q=47\n", + "cde=(em1cur*w**2)/(voltag*2*q)\n", + "fq1=(em1cur)/(2*3.14*cde*voltag)\n", + "print \"f = %0.2e\"%((fq1)),\"hertz\"\n", + "print \"cde = %0.2e\"%((cde)),\"farad\"##correction required in the book." + ] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python 2", + "language": "python", + "name": "python2" + }, + "language_info": { + "codemirror_mode": { + "name": "ipython", + "version": 2 + }, + "file_extension": ".py", + "mimetype": "text/x-python", + "name": "python", + "nbconvert_exporter": "python", + "pygments_lexer": "ipython2", + "version": "2.7.9" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} |