From 75de5a443ac9ce34fe00d043f3f45a32a5d64ab5 Mon Sep 17 00:00:00 2001 From: Trupti Kini Date: Fri, 25 Mar 2016 23:30:17 +0600 Subject: Added(A)/Deleted(D) following books A Electronic_Devices_and_Circuits_by_J._Paul/Ch1.ipynb A Electronic_Devices_and_Circuits_by_J._Paul/Ch10.ipynb A Electronic_Devices_and_Circuits_by_J._Paul/Ch11.ipynb A Electronic_Devices_and_Circuits_by_J._Paul/Ch12.ipynb A Electronic_Devices_and_Circuits_by_J._Paul/Ch13.ipynb A Electronic_Devices_and_Circuits_by_J._Paul/Ch2.ipynb A Electronic_Devices_and_Circuits_by_J._Paul/Ch3.ipynb A Electronic_Devices_and_Circuits_by_J._Paul/Ch4.ipynb A Electronic_Devices_and_Circuits_by_J._Paul/Ch5.ipynb A Electronic_Devices_and_Circuits_by_J._Paul/Ch6.ipynb A Electronic_Devices_and_Circuits_by_J._Paul/Ch7.ipynb A Electronic_Devices_and_Circuits_by_J._Paul/Ch8.ipynb A Electronic_Devices_and_Circuits_by_J._Paul/Ch9.ipynb A Electronic_Devices_and_Circuits_by_J._Paul/screenshots/4CollCurr.png A Electronic_Devices_and_Circuits_by_J._Paul/screenshots/4MaxNBasRes.png A Electronic_Devices_and_Circuits_by_J._Paul/screenshots/4saturationMode.png A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter10_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter11_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter12.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter13_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter14_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter15_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter17_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter20_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter23_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter2_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter3_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter4_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter5_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter7_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter8_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/Chapter9_1.ipynb A Generation_Of_Electrical_Energy_by_B._R._Gupta/screenshots/EnergyLoadnMassCurve_1.png A Generation_Of_Electrical_Energy_by_B._R._Gupta/screenshots/loadCurve2_1.png A Generation_Of_Electrical_Energy_by_B._R._Gupta/screenshots/loadDurnECur_1.png --- .../Ch5.ipynb | 1334 ++++++++++++++++++++ 1 file changed, 1334 insertions(+) create mode 100644 Electronic_Devices_and_Circuits_by_J._Paul/Ch5.ipynb (limited to 'Electronic_Devices_and_Circuits_by_J._Paul/Ch5.ipynb') diff --git a/Electronic_Devices_and_Circuits_by_J._Paul/Ch5.ipynb b/Electronic_Devices_and_Circuits_by_J._Paul/Ch5.ipynb new file mode 100644 index 00000000..acad3147 --- /dev/null +++ b/Electronic_Devices_and_Circuits_by_J._Paul/Ch5.ipynb @@ -0,0 +1,1334 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 5 - BJT Amplifier" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 283 example 1" + ] + }, + { + "cell_type": "code", + "execution_count": 5, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "voltage gain = -50.00\n", + "input resistance = 2600.00 ohm\n", + "ce removed\n", + "voltage gain = -50.00\n", + "input resistance = 12600.00 ohm\n" + ] + } + ], + "source": [ + "ic=1*10**-3##ampere\n", + "vcc=5##volt\n", + "colres=2*10**3##ohm\n", + "r1=1.4*10**3##ohm\n", + "re=100##ohm\n", + "beta1=100\n", + "rb=100##ohm\n", + "v1=0.026\n", + "c1=25*10**-6##farad\n", + "g1=ic/v1\n", + "freque=10*10**3##hertz\n", + "xc=1/(2*freque*3.14*c1)\n", + "volgai=-beta1*colres/(r1+0.1*10**3+2.5*10**3)\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "ri=(0.1+2.5)*10**3-((xc.imag)*(1+beta1))\n", + "print \"input resistance = %0.2f\"%((ri)),\"ohm\"\n", + "#ce removed\n", + "volgai=-beta1*colres/((r1+0.1*10**3+2.5*10**3)+(101/1000)*10**3*100)\n", + "print \"ce removed\"\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "ri=(0.1+2.5)*10**3+100*101/1000*10**3\n", + "print \"input resistance = %0.2f\"%((ri)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 285 example 2" + ] + }, + { + "cell_type": "code", + "execution_count": 6, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "voltage gain = 260.00 <180\n", + "voltage gain reduced ce removed\n", + "when cb is short circuited the voltage gain increased\n" + ] + } + ], + "source": [ + "ic=1.3*10**-3##ampere\n", + "colres=2*10**3##ohm\n", + "re=500##ohm\n", + "v1=0.026##volt\n", + "beta1=100\n", + "vcc=15##volt\n", + "c1=10*10**-6##farad\n", + "ib=ic/beta1\n", + "ri=0.01/ib\n", + "volgai=beta1*colres*ib/0.01\n", + "print \"voltage gain = %0.2f\"%((volgai)),\"<180\"\n", + "print \"voltage gain reduced ce removed\"\n", + "print \"when cb is short circuited the voltage gain increased\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 286 example 3" + ] + }, + { + "cell_type": "code", + "execution_count": 8, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "current gain = -11.62\n", + "voltage gain = -46.46\n", + "transconductance = -0.01 ampere per volt\n", + "transresistance = -46464.08 ohm\n", + "input resistance = 1042.65 ohm\n", + "output resistance = 3636.00 ohm\n" + ] + } + ], + "source": [ + "colres=4*10**3##ohm\n", + "r1=4*10**3##ohm\n", + "\n", + "rb=20*10**3##ohm\n", + "r=1*10**3##ohm\n", + "hie=1.1*10**3##ohm\n", + "\n", + "#current gain\n", + "ri=rb*hie/(rb+hie)\n", + "curgai=(1/2.04)*(rb/(rb+(hie)))*(-50*colres/(colres+(r1)))\n", + "print \"current gain = %0.2f\"%((curgai))\n", + "#voltage gain\n", + "volgai=curgai*r1/r\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "#transconductance\n", + "conduc=volgai/r1\n", + "print \"transconductance = %0.2f\"%((conduc)),\"ampere per volt\"\n", + "#transresistance\n", + "resist=volgai*r\n", + "print \"transresistance = %0.2f\"%((resist)),\"ohm\"\n", + "#input resistance\n", + "print \"input resistance = %0.2f\"%((ri)),\"ohm\"\n", + "#output resistance\n", + "resist=40*10**3*colres/(40*10**3+colres)\n", + "\n", + "\n", + "\n", + "print \"output resistance = %0.2f\"%((resist)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 287 example 4" + ] + }, + { + "cell_type": "code", + "execution_count": 9, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "rb = 235000.00 ohm\n", + "rb including emitter resistance = 230000.00 ohm\n" + ] + } + ], + "source": [ + "ib=20*10**-6##ampere\n", + "beta1=500\n", + "re=10##ohm correction in the book\n", + "r1=4.7*10**2##ohm correction in the book\n", + "ic=ib*beta1\n", + "voltag=ic*r1##voltage drop at 4.7*10**3ohm\n", + "vc=(10-voltag)\n", + "rb=(vc-0.6)/ib\n", + "print \"rb = %0.2f\"%((rb)),\"ohm\"\n", + "#re included\n", + "voltag=ic*re##voltage drop at re\n", + "vb=(0.6+voltag)\n", + "rb=(vc-vb)/ib\n", + "print \"rb including emitter resistance = %0.2f\"%((rb)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 288 example 5" + ] + }, + { + "cell_type": "code", + "execution_count": 15, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "voltage gain with fedback = 73.92 decibel\n", + "beta = 1.20e-04\n" + ] + } + ], + "source": [ + "from __future__ import division\n", + "from math import log10\n", + "av=12480\n", + "fedbac=8##decibel\n", + "volgai=20*log10(av)##gain without fedback\n", + "volga1=volgai-fedbac\n", + "beta1=((av/5000)-1)/av\n", + "\n", + "print \"voltage gain with fedback = %0.2f\"%((volga1)),\"decibel\"\n", + "print \"beta = %0.2e\"%((beta1))" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 288 example 6" + ] + }, + { + "cell_type": "code", + "execution_count": 17, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "collector current = 3.00e-03 ampere\n", + "emitter current = 3.00e-03 ampere\n", + "base current = 3.00e-05 ampere\n" + ] + } + ], + "source": [ + "beta1=100\n", + "r1=1.5*10**3##ohm\n", + "vcc=10##volt\n", + "r=100*10**3##ohm\n", + "vb=((vcc)/(r+10*10**3))*10*10**3\n", + "ie=0.3/100\n", + "ib=ie/beta1\n", + "print \"collector current = %0.2e\"%((ie)),\"ampere\"\n", + "print \"emitter current = %0.2e\"%((ie)),\"ampere\"\n", + "print \"base current = %0.2e\"%((ib)),\"ampere\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 268 example 7" + ] + }, + { + "cell_type": "code", + "execution_count": 19, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "voltage gain = -125.00\n", + "power gain = 6250.00\n", + "error without hoe = 10.00\n", + "error = 21.00\n" + ] + } + ], + "source": [ + "hie=800##ohm\n", + "he=50*10**-6##mho\n", + "hfe=-55\n", + "z1=2*10**3##ohm\n", + "curgai=hfe/(1+he*z1)\n", + "zi=hie\n", + "volgai=curgai*z1/zi\n", + "powgai=volgai*curgai\n", + "#if hoe neglected\n", + "av=137.5\n", + "hfe=-55\n", + "w=((av-abs(volgai))*100)/abs(volgai)\n", + "ap=hfe*(-av)\n", + "w1=((ap-powgai)*100)/powgai\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "\n", + "\n", + "print \"power gain = %0.2f\"%((powgai))\n", + "print \"error without hoe = %0.2f\"%((w))\n", + "print \"error = %0.2f\"%((w1))" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 289 example 8" + ] + }, + { + "cell_type": "code", + "execution_count": 21, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "emitter current = 1.92e-03 ampere\n", + "vc = 18.12 volt\n", + "collector emitter voltage = 8.53 volt\n" + ] + } + ], + "source": [ + "rb=5*10**3##ohm\n", + "vcc=20##volt\n", + "r=10*10**3##ohm\n", + "colres=5*10**3##ohm\n", + "vb=vcc*r/(r+r)\n", + "beta1=50\n", + "v1=0.6##volt\n", + "ib=(vb-v1)/(1+beta1*colres)\n", + "ic=beta1*ib\n", + "vc=vcc-ic*1*10**3\n", + "vce=vc-rb*(ic+ib)\n", + "print \"emitter current = %0.2e\"%((ic+ib)),\"ampere\"\n", + "print \"vc = %0.2f\"%((vc)),\"volt\"\n", + "print \"collector emitter voltage = %0.2f\"%((vce)),\"volt\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 290 example 9" + ] + }, + { + "cell_type": "code", + "execution_count": 23, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "voltage gain = 395.49\n" + ] + } + ], + "source": [ + "hib=25##ohm\n", + "hfb=0.999\n", + "hob=10**-6##ohm\n", + "colres=10*10**3##ohm\n", + "#voltage gain\n", + "curgai=hfb/(1+hob*colres)\n", + "zi=hib+hob*colres*curgai\n", + "volgai=curgai*colres/(zi)\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "#correction required in the book" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 290 example 10" + ] + }, + { + "cell_type": "code", + "execution_count": 25, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "voltage gain = 1.00\n", + "input resistance = 101050.00 ohm\n" + ] + } + ], + "source": [ + "re=1*10**3##ohm\n", + "hie=100##ohm\n", + "hfe=100\n", + "#voltage gain\n", + "volgai=1/((1+(hie/(2*(1+hfe)*re))))\n", + "#ri\n", + "ri=(hie/2)+(1+hfe)*re\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "print \"input resistance = %0.2f\"%((ri)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 292 example 11" + ] + }, + { + "cell_type": "code", + "execution_count": 27, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "emitter current = 4.16e-03 ampere\n", + "vce = 11.68 volt\n" + ] + } + ], + "source": [ + "beta1=90\n", + "re=2*10**3##ohm\n", + "rb=240*10**3##ohm\n", + "vcc=20\n", + "ib=(vcc-0.7)/(rb+(1+beta1)*(re))\n", + "ic=beta1*ib\n", + "vce=vcc-(ib+ic)*re\n", + "print \"emitter current = %0.2e\"%((ib+ic)),\"ampere\"\n", + "print \"vce = %0.2f\"%((vce)),\"volt\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 292 example 12" + ] + }, + { + "cell_type": "code", + "execution_count": 29, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "voltage gain = -313.90\n", + "current gain = -100.55\n", + "impedance = 86666.67 ohm\n", + "parameters using approxmiate\n", + "voltage gain = -323.12\n", + "current gain = -110.00\n", + "impedance = 86666.67 ohm\n" + ] + } + ], + "source": [ + "hfe=110\n", + "hie=1.6*10**3##ohm\n", + "hoe=20*10**-6##ohm\n", + "colres=4.7*10**3##ohm\n", + "hre=2*10**-4\n", + "r1=470*10**3##ohm\n", + "curgai=-hfe/(1+hoe*colres)\n", + "ri=hie+hre*curgai*colres\n", + "volgai=curgai*colres/ri\n", + "y1=hoe-((hfe*hre)/(hie+1*10**3))\n", + "z1=1/y1\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "print \"current gain = %0.2f\"%((curgai))\n", + "print \"impedance = %0.2f\"%((z1)),\"ohm\"\n", + "r0=z1*colres/(z1+colres)\n", + "curgai=-hfe\n", + "ri=hie\n", + "print \"parameters using approxmiate\"\n", + "volgai=curgai*(colres)/ri\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "#correction required in the book\n", + "print \"current gain = %0.2f\"%((curgai))\n", + "print \"impedance = %0.2f\"%((z1)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 293 example 13" + ] + }, + { + "cell_type": "code", + "execution_count": 31, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "input resistance = 1.00e+07 ohm\n", + "voltage gain = 1.00\n", + "current gain = -10000.00\n" + ] + } + ], + "source": [ + "re=1*10**3##ohm\n", + "hie=1000##ohm\n", + "hfe=99\n", + "#inptut resistance\n", + "ri=hie+((1+hfe)*(hie+1+hfe*re))\n", + "\n", + "\n", + "print \"input resistance = %0.2e\"%((ri)),\"ohm\"##correction in the book\n", + "#voltage gain\n", + "volgai=((1+hfe)*(1+hfe)*re)/ri\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "\n", + "\n", + "#current gain\n", + "curgai=-((1+hfe)*(1+hfe))\n", + "\n", + "\n", + "print \"current gain = %0.2f\"%((curgai))" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 294 example 14" + ] + }, + { + "cell_type": "code", + "execution_count": 33, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "voltage gain = 250.00 <180\n", + "input impedance = 2000.00 ohm\n", + "current gain = 100.00\n" + ] + } + ], + "source": [ + "hie=2*10**3##ohm\n", + "beta1=100\n", + "colres=5*10**3##ohm\n", + "volgai=beta1*colres/hie\n", + "print \"voltage gain = %0.2f\"%((volgai)),\"<180\"\n", + "print \"input impedance = %0.2f\"%((hie)),\"ohm\"\n", + "print \"current gain = %0.2f\"%((beta1))" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 294 example 15" + ] + }, + { + "cell_type": "code", + "execution_count": 37, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "voltage gain = 253.29\n", + "input impedance = 1546.39\n", + "coordinates ic = 1.14e-03 ampere vce = 8.30 volt\n" + ] + } + ], + "source": [ + "colres=4.7*10**3##ohm\n", + "beta1=150\n", + "r1=12*10**3##ohm\n", + "vcc=15##volt\n", + "re=1.2*10**3##ohm\n", + "rac=colres*r1/(colres+r1)\n", + "r=2*10**3##ohm\n", + "#voltage gain\n", + "volgai=beta1*rac/r\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "r1=75*10**3##ohm\n", + "r2=7.5*10**3##ohm\n", + "#input impedance\n", + "zin=(r1*r2)/(r1+r2)\n", + "zin=zin*r/(zin+r)\n", + "print \"input impedance = %0.2f\"%((zin))\n", + "#coordinates\n", + "vb=vcc*r2/(r1+r2)\n", + "ie=vb/re\n", + "vce=vcc-((colres+re)*(ie))\n", + "print \"coordinates ic = %0.2e\"%((ie)),\"ampere vce = %0.2f\"%((vce)),\"volt\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 296 example 16" + ] + }, + { + "cell_type": "code", + "execution_count": 39, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "current gain = 57.14\n", + "input impedance = 115485.71 ohm\n", + "voltage gain = 0.99\n", + "output resistance = 32558.14 ohm\n" + ] + } + ], + "source": [ + "r1=2000##ohm\n", + "r=900##ohm\n", + "hie=1200##ohm\n", + "hre=2*10**-4\n", + "hfe=60\n", + "hoe=25*10**-6##ampere per volt\n", + "curgai=(hfe)/(1+hoe*r1)\n", + "print \"current gain = %0.2f\"%((curgai))\n", + "ri=hie+(curgai*r1)\n", + "print \"input impedance = %0.2f\"%((ri)),\"ohm\"\n", + "volgai=curgai*r1/ri\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "admita=1/ri\n", + "admita=hoe-(-hfe*hre)/(hie+r)\n", + "r=1/admita\n", + "print \"output resistance = %0.2f\"%((r)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 296 example 17" + ] + }, + { + "cell_type": "code", + "execution_count": 40, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "voltage gain = -609.86\n", + "current gain = -60.00\n", + "input impedance = 501.75 ohm\n", + "output impedance = 5100.00 ohm\n" + ] + } + ], + "source": [ + "hfe=60\n", + "hie=500##ohm\n", + "ic=3*10**-3##ampere\n", + "zi=hie\n", + "rb=220*10**3##ohm\n", + "colres=5.1*10**3##ohm\n", + "z=colres\n", + "volgai=-hfe*colres/hie\n", + "curgai=-hfe\n", + "vcc=12##volt\n", + "ib=(vcc-0.6)/rb\n", + "ie=hfe*ib\n", + "re=0.026/ie\n", + "zi=hfe*re\n", + "z=colres\n", + "volgai=-colres/re\n", + "curgai=-hfe\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "print \"current gain = %0.2f\"%((curgai))\n", + "print \"input impedance = %0.2f\"%((zi)),\"ohm\"\n", + "print \"output impedance = %0.2f\"%((z)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 297 example 18" + ] + }, + { + "cell_type": "code", + "execution_count": 42, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "input impedance = 1817.30 ohm\n", + "output impedance = 4000.00 ohm\n", + "voltage gain = -125.00\n", + "current gain = -56.79\n", + "parameters in re\n", + "input impedance = 1745.41 ohm\n", + "output impedance = 4000.00 ohm\n", + "voltage gain = -134.07\n", + "current gain = -58.50\n" + ] + } + ], + "source": [ + "hie=3.2*10**3##ohm\n", + "hfe=100\n", + "r=40*10**3##ohm\n", + "r1=4.7*10**3##ohm\n", + "colres=4*10**3##ohm\n", + "rb=r*r1/(r+r1)\n", + "zi=hie*rb/(hie+rb)\n", + "z=colres\n", + "re=1.2*10**3##ohm\n", + "volgai=-hfe*colres/hie\n", + "print \"input impedance = %0.2f\"%((zi)),\"ohm\"\n", + "print \"output impedance = %0.2f\"%((z)),\"ohm\"\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "curgai=-hfe*rb/(rb+hie)\n", + "print \"current gain = %0.2f\"%((curgai))\n", + "hie=833\n", + "#(1) load open\n", + "vi=1\n", + "ib=vi/hie\n", + "volgai=hfe*ib*1.5*10**3\n", + "#load closed\n", + "hoe=50\n", + "r2=2*10**3##ohm\n", + "ib=vi/(r2+hie)\n", + "vb=1.682\n", + "ib=(vb-0.6)/(rb+(1+hfe)*(re))\n", + "ic=hfe*ib\n", + "ie=ic+ib\n", + "re=0.026/ie\n", + "zi=rb*hfe*re/((rb)+(hfe*re))\n", + "print \"parameters in re\"\n", + "print \"input impedance = %0.2f\"%((zi)),\"ohm\"\n", + "z=colres\n", + "print \"output impedance = %0.2f\"%((z)),\"ohm\"\n", + "volgai=colres/(-re)\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "curgai=-hfe*rb/(rb+hfe*re)\n", + "print \"current gain = %0.2f\"%((curgai))" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 299 example 19" + ] + }, + { + "cell_type": "code", + "execution_count": 47, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "voltage gain = -0.006\n" + ] + } + ], + "source": [ + "from __future__ import division\n", + "hfe=120\n", + "hie=0.02##ohm\n", + "r1=5.8*10**3##ohm\n", + "r=27*10**3##ohm\n", + "colres=1.5*10**3##ohm\n", + "re=330*10**3##ohm\n", + "vcc=10##volt\n", + "vb=vcc*r1/(r1+r)\n", + "rb=(r*r1)/(r+r1)\n", + "ib=(vb-0.7)/(rb+((1+hfe)*re))\n", + "volgai=-hfe*ib*2*10**3\n", + "print \"voltage gain = %0.3f\"%((volgai))\n", + "#correction required in the book" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 300 example 20" + ] + }, + { + "cell_type": "code", + "execution_count": 49, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "upper frequency voltage gain = 7.21e+06 hertz\n", + "upper current gain = 3.61e+06 hertz\n" + ] + } + ], + "source": [ + "freque=6*10**6##hertz\n", + "hfe=50\n", + "r1=500##ohm\n", + "g=0.04\n", + "rbb=100##ohm\n", + "\n", + "\n", + "c1=10*10**-12##farad\n", + "r=1000##ohm\n", + "rbe=hfe/g\n", + "ce=g/(2*3.14*freque)\n", + "c1=ce+c1*(1+g*r)\n", + "hie=rbb+rbe\n", + "resist=(r1+rbb)*rbe/(r1+rbb+rbe)\n", + "frequ2=1/(2*3.14*resist*c1)\n", + "curgai=-hfe*r1/(r1+hie)\n", + "volgai=(-hfe*r)/(r1+hie)\n", + "q=volgai*frequ2\n", + "print \"upper frequency voltage gain = %0.2e\"%(abs(q)),\"hertz\"##correction in the book\n", + "q=curgai*frequ2\n", + "print \"upper current gain = %0.2e\"%(abs(q)),\"hertz\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 301 example 21" + ] + }, + { + "cell_type": "code", + "execution_count": 50, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "current gain = -48.78\n", + "input resistance = 990.24 ohm\n", + "voltage gain = -49.26\n", + "output resistance = 51428.57 ohm\n", + "approximate\n", + "current gain = -50.00\n", + "input resistance = 1000.00 ohm\n", + "voltage gain = -50.00\n" + ] + } + ], + "source": [ + "hie=1*10**3##ohm\n", + "hre=2*10**-4\n", + "hoe=25*10**-6##ampere per volt\n", + "hfe=50\n", + "colres=1*10**3##ohm\n", + "curgai=-hfe/(1+hoe*colres)\n", + "print \"current gain = %0.2f\"%((curgai))\n", + "ri=hie-hfe*hre/(hoe+1/colres)\n", + "print \"input resistance = %0.2f\"%((ri)),\"ohm\"\n", + "volgai=curgai*colres/ri\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "y1=hoe-((hfe*hre)/(hie+800))\n", + "r1=1/y1\n", + "print \"output resistance = %0.2f\"%((r1)),\"ohm\"\n", + "#approximate\n", + "print \"approximate\"\n", + "curgai=-hfe\n", + "print \"current gain = %0.2f\"%((curgai))\n", + "ri=hie\n", + "print \"input resistance = %0.2f\"%((ri)),\"ohm\"\n", + "volgai=-hfe*colres/hie\n", + "print \"voltage gain = %0.2f\"%((volgai))" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 301 example 22" + ] + }, + { + "cell_type": "code", + "execution_count": 52, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "voltage gain = 174.11\n" + ] + } + ], + "source": [ + "rb1=7.5*10**3##ohm\n", + "rb2=6.8*10**3##ohm\n", + "\n", + "rb3=3.3*10**3##ohm\n", + "re=1.3*10**3##ohm\n", + "colres=2.2*10**3##ohm\n", + "beta1=120\n", + "vcc=18##volt\n", + "vb1=rb3*vcc/(rb3+rb2+rb1)\n", + "ie1=(vb1-0.7)/(re)\n", + "re1=0.026/ie1\n", + "re2=0.026/ie1\n", + "volgai=colres/re2\n", + "print \"voltage gain = %0.2f\"%((volgai))" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 302 example 23" + ] + }, + { + "cell_type": "code", + "execution_count": 54, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "forced beta = 114.29\n" + ] + } + ], + "source": [ + "vcc=5##volt\n", + "colres=250##ohm\n", + "v1=5##volt\n", + "rb=25*10**3##ohm\n", + "beta1=200\n", + "vbs=0.8##volt\n", + "vcon=0.3##volt\n", + "icon=(vcc-vcon)/colres\n", + "ibon=icon/beta1\n", + "ibs=(v1-vbs)/rb\n", + "ic=(vcc-0.2)/colres\n", + "beta1=ic/ibs\n", + "print \"forced beta = %0.2f\"%((beta1))" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 303 example 24" + ] + }, + { + "cell_type": "code", + "execution_count": 55, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "resistance r1 = 40847.46 ohm\n", + "resistance r3 = 2197.00 ohm\n" + ] + } + ], + "source": [ + "vb=0.6##volt\n", + "beta1=100\n", + "ic=1*10**-3##ampere\n", + "vce=2.5##volt\n", + "re=300##ohm\n", + "vcc=5##volt\n", + "ib=ic/beta1\n", + "ie=ic+ib\n", + "ve=ie*re\n", + "vce=vce+ve\n", + "r3=(vcc-vce)/ic\n", + "vb=ve+vb\n", + "r1=(vcc-vb)/(vb/(10*10**3)+(ib))\n", + "print \"resistance r1 = %0.2f\"%((r1)),\"ohm\"\n", + "print \"resistance r3 = %0.2f\"%((r3)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 304 example 25" + ] + }, + { + "cell_type": "code", + "execution_count": 57, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "input impedance q1 = 1.75e+04 ohm\n", + "input impedance q2 = 3.50e+06 ohm\n" + ] + } + ], + "source": [ + "vce2=7.5##volt\n", + "vb=0.7##volt\n", + "beta1=200\n", + "v1=25##volt\n", + "r1=10*10**3##ohm\n", + "vcc=15##volt\n", + "i1=(vcc-vb)/r1\n", + "r=(vcc-vce2)/i1\n", + "z1=beta1*v1/i1\n", + "z=v1/i1\n", + "print \"input impedance q1 = %0.2e\"%((z)),\"ohm\"##correction in the book\n", + "print \"input impedance q2 = %0.2e\"%((z1)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 305 example 26" + ] + }, + { + "cell_type": "code", + "execution_count": 60, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "make input = 0\n", + "ground dc\n", + "output resistance = 19.61 ohm\n" + ] + } + ], + "source": [ + "beta1=99\n", + "r1=1*10**3##ohm\n", + "g=beta1/r1\n", + "r=r1*((r1+r1)/(100))/((r1+((r1+r1)/(100))))\n", + "print \"make input = 0\"\n", + "print \"ground dc\"\n", + "print \"output resistance = %0.2f\"%((r)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 305 example 27" + ] + }, + { + "cell_type": "code", + "execution_count": 62, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "output resistance = 1000.00 ohm\n", + "input resistance very low\n", + "voltage gain = 19.23\n" + ] + } + ], + "source": [ + "ic=0.5*10**-3##ampere\n", + "rb=100*10**3##ohm\n", + "v1=0.026##volt\n", + "r1=50##ohm\n", + "colres=1*10**3##ohm\n", + "g=ic/v1\n", + "volgai=g*colres\n", + "print \"output resistance = %0.2f\"%((colres)),\"ohm\"\n", + "print \"input resistance very low\"##not given in the book\n", + "print \"voltage gain = %0.2f\"%((volgai))" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 306 example 28" + ] + }, + { + "cell_type": "code", + "execution_count": 64, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "current gain = -12.27\n", + "voltage gain = -49.07\n", + "transconductance = -0.01 ampere per volt\n", + "transresistance = -490686.77 ohm\n", + "input resistance = 990.99 ohm\n", + "output resistance = 4444.44 ohm\n" + ] + } + ], + "source": [ + "re=4*10**3##ohm\n", + "r1=4*10**3##ohm\n", + "hie=1.1*10**3##ohm\n", + "resist=10*10**3##ohm\n", + "hfe=50\n", + "rb=10*10**3##ohm\n", + "r=1*10**3##ohm\n", + "colres=5*10**3##ohm\n", + "#(1) current gain\n", + "ri=rb*hie/(rb+hie)\n", + "curgai=(1/2.04)*((rb)/(rb+hie))*((-hfe*colres)/(colres+r1))\n", + "print \"current gain = %0.2f\"%((curgai))\n", + "#(2) voltage gain\n", + "volgai=curgai*r1/r\n", + "print \"voltage gain = %0.2f\"%((volgai))\n", + "#(3) tranconductance\n", + "conduc=volgai/r1\n", + "print \"transconductance = %0.2f\"%((conduc)),\"ampere per volt\"\n", + "#transresistance\n", + "resist=resist*volgai\n", + "print \"transresistance = %0.2f\"%((resist)),\"ohm\"\n", + "print \"input resistance = %0.2f\"%((ri)),\"ohm\"\n", + "r=(40*10**3*colres)/(40*10**3+colres)\n", + "print \"output resistance = %0.2f\"%((r)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 307 example 29" + ] + }, + { + "cell_type": "code", + "execution_count": 65, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "base resistance = 235000.00 ohm\n", + "base resistance with re\n", + "base resistance = 230000.00 ohm\n" + ] + } + ], + "source": [ + "beta1=500\n", + "ib=20*10**-6##ampere\n", + "re=100##ohm\n", + "ic=beta1*ib\n", + "vc=ic*0.47*10**3##voltage drop across collector resistance\n", + "v1=(10-vc)\n", + "vb=v1-0.6\n", + "rb=vc/ib\n", + "print \"base resistance = %0.2f\"%((rb)),\"ohm\"\n", + "ve=re*ic\n", + "print \"base resistance with re\"\n", + "b=0.6+0.1\n", + "rb=(v1-b)/ib\n", + "print \"base resistance = %0.2f\"%((rb)),\"ohm\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## PageNumber 308 example 30" + ] + }, + { + "cell_type": "code", + "execution_count": 67, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "collector current = 3.00e-03 ampere\n", + "base current = 3.00e-05 ampere\n", + "emitter current = 3.00e-03 ampere\n" + ] + } + ], + "source": [ + "beta1=100\n", + "re=100##ohm\n", + "vcc=10##volt\n", + "colres=1.5*10**3##ohm\n", + "r=100*10**3##ohm\n", + "r1=10*10**3##ohm\n", + "vb=vcc*r1/(r1+r)\n", + "ie=0.3/re\n", + "ib=ie/beta1\n", + "print \"collector current = %0.2e\"%((ie)),\"ampere\"\n", + "print \"base current = %0.2e\"%((ib)),\"ampere\"\n", + "print \"emitter current = %0.2e\"%((ie)),\"ampere\"" + ] + } + ], + "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 +} -- cgit