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diff --git a/Analog_Integrated_Circuits_by_R.S._Tomar/Chapter1.ipynb b/Analog_Integrated_Circuits_by_R.S._Tomar/Chapter1.ipynb new file mode 100755 index 00000000..24ac5ea2 --- /dev/null +++ b/Analog_Integrated_Circuits_by_R.S._Tomar/Chapter1.ipynb @@ -0,0 +1,417 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:1cb6068538d8c97f156cb67d11e52aad1d6c0b391f69a34791cef94fb6857610" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter1 - Constant current sources" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex 1.1 - page 4" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "Iout=8 #micro A\n", + "VBE=0.7 #V\n", + "Beta=80 #unitless\n", + "VCC=20 #V\n", + "IREF=Iout*(1+2/Beta) #micro A\n", + "R=(VCC-VBE)/IREF #Mohm\n", + "print \"Reference current is %0.2f uA\" %IREF\n", + "print \"Resistance required is %0.2f Mohm\" %R" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Reference current is 8.20 uA\n", + "Resistance required is 2.35 Mohm\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex 1.2 - page 5" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "Iout=1 #mA\n", + "VBE=0.7 #V\n", + "Beta=100 #unitless\n", + "VCC=30 #V\n", + "IREF=Iout*(1+2/Beta) #mA\n", + "R=(VCC-VBE)/IREF #kohm\n", + "print \"Reference current is %0.2f mA\" %IREF \n", + "print \"Resistance required is %0.1f kohm\" %R" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Reference current is 1.02 mA\n", + "Resistance required is 28.7 kohm\n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex 1.3 - page 5" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "Iout=0.5 #mA\n", + "Beta=50 #unitless\n", + "VEB=0.7 #V\n", + "VCC=5 #V\n", + "IREF=Iout*(1+2/Beta) #mA\n", + "R=(VCC-VEB)/IREF #kohm\n", + "print \"Reference current is %0.2f mA\" %IREF \n", + "print \"Resistance required is %0.2f kohm\" %R" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Reference current is 0.52 mA\n", + "Resistance required is 8.27 kohm\n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex 1.4 - page 8" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "Iout=8 #micro A\n", + "Beta=100 #unitless\n", + "VBE=0.7 #V\n", + "VCC=20 #V\n", + "IREF=Iout/(1+2/Beta/(1+Beta)) #micro A\n", + "R=(VCC-2*VBE)/IREF #Mohm\n", + "print \"Reference current is %0.2f micro A\" %IREF \n", + "print \"Resistance required is %0.2f Mohm\" %R" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Reference current is 8.00 micro A\n", + "Resistance required is 2.33 Mohm\n" + ] + } + ], + "prompt_number": 9 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex 1.5 - page 8" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "Iout=60 #micro A\n", + "VBE=0.7 #V\n", + "Beta=150 #unitless\n", + "VCC=30 #V\n", + "IREF=Iout*(1+2/Beta/(1+Beta)) #micro A\n", + "R=(VCC-2*VBE)/IREF #Mohm\n", + "R*=10**3 #kohm\n", + "print \"Reference current is %0.3f mA\" %IREF \n", + "print \"Resistance required is %0.1f kohm\" %R" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Reference current is 60.005 mA\n", + "Resistance required is 476.6 kohm\n" + ] + } + ], + "prompt_number": 12 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex 1.6 - page 9" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "VBE=0.7 #V\n", + "Beta=120 #unitless\n", + "VCC=10 #V\n", + "R=5.6 #kohm\n", + "#KCL at node x : IREF=IC1+I1 #as Beta>>1\n", + "#KCL at node y : I1=IC2+IB3 #as Beta>>1\n", + "IREF=(VCC-VBE)/R #mA\n", + "#as IREF=2*IC+IB3=IC*(2+1/Beta)=2*IC #as Beta>>1\n", + "IC=IREF/2 #mA\n", + "Iout=IC #mA\n", + "print \"Output current is %0.2f mA\" %Iout" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Output current is 0.83 mA\n" + ] + } + ], + "prompt_number": 14 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex 1.7 - page 13" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "import math\n", + "Iout=6 #micro A\n", + "IREF=1.2 #mA\n", + "VBE2=0.7 #V\n", + "VT=26 #mV\n", + "Beta=120 #unitless\n", + "VCC=20 #V\n", + "R=(VCC-VBE2)/IREF #kohm\n", + "print \"Value of resistance R is %0.f kohm \" %R\n", + "IC1=Iout #micro A\n", + "IC2=(IREF-IC1*10**-3/Beta)/(1+1/Beta) #mA\n", + "RS=1/(IC1*10**-6)*VT*10**-3*math.log(IC2*1000/IC1) #ohm\n", + "RS/=10**3 #kohm\n", + "print \"Value of resistance RS is %0.1f kohm\" %RS" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Value of resistance R is 16 kohm \n", + "Value of resistance RS is 22.9 kohm\n" + ] + } + ], + "prompt_number": 17 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex 1.8 - page 14" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "IREF=1 #mA\n", + "Io2=20 #micro A\n", + "Io3=40 #micro A\n", + "VBE1=0.7 #V\n", + "VT=26 #mV\n", + "VCC=10 #V\n", + "VEE=-10 #V\n", + "R=(VCC-VBE1-VEE)/IREF #kohm\n", + "print \"Value of resistance R is %0.2f kohm \" %R \n", + "RE2=VT/Io2*math.log(IREF*1000/Io2) #kohm\n", + "print \"Value of resistance RE2 is %0.2f kohm\" %RE2 \n", + "RE3=VT/Io3*math.log(IREF*1000/Io3) #kohm\n", + "print \"Value of resistance RE3 is %0.2f kohm \" %RE3 \n", + "VBE2=VBE1-RE2*Io2/1000 #V\n", + "print \"Value of Base emitter voltage of transistor Q2 is %0.4f V\" %VBE2 \n", + "VBE3=VBE1-RE3*Io3/1000 #V\n", + "print \"Value of Base emitter voltage of transistor Q3 is %0.4f V\" %VBE3" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Value of resistance R is 19.30 kohm \n", + "Value of resistance RE2 is 5.09 kohm\n", + "Value of resistance RE3 is 2.09 kohm \n", + "Value of Base emitter voltage of transistor Q2 is 0.5983 V\n", + "Value of Base emitter voltage of transistor Q3 is 0.6163 V\n" + ] + } + ], + "prompt_number": 21 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex 1.9 - page 18" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "Beta=100 #unitless\n", + "VBE=0.715 #V\n", + "R=5.6 #kohm\n", + "RC=1 #kohm\n", + "VCC=10 #V\n", + "VCB1=0 #V(Q1 will act as diode)\n", + "IREF=(VCC-VBE)/R #mA\n", + "#KCL at node x : IREF=IC1+2*IB \n", + "#KCL at node y : I1=IC2+IB3 #as Beta>>1\n", + "IREF=(VCC-VBE)/R #mA\n", + "#as IREF=2*IC1/Beta+IC1\n", + "IC1=IREF/(1+2/Beta) #mA\n", + "IC2=IC1 #mA\n", + "IC3=IC1 #mA\n", + "print \"Collector current in each transistor, IC1=IC2=IC3 is %0.2f mA\" %IC1\n", + "IRC=IC1+IC2+IC3 #mA\n", + "print \"Current through RC is %0.2f mA\" %IRC\n", + "#Answer wrong in the textbook." + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Collector current in each transistor, IC1=IC2=IC3 is 1.63 mA\n", + "Current through RC is 4.88 mA\n" + ] + } + ], + "prompt_number": 23 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex 1.10 - page 19" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "Vout=5 #V\n", + "Beta=180 #unitless\n", + "R=22 #kohm\n", + "VCC=10 #V\n", + "VBE=0.7 #V\n", + "IREF=(VCC-VBE)/R #mA\n", + "IC=(IREF-VBE/R)/(1+2/Beta) #mA\n", + "RC=(VCC-Vout)/IC #kohm\n", + "print \"IC1 & IC2 are %0.2f mA\" %IC\n", + "print \"RC is %0.2f kohm\" %RC\n", + "#Answer in the book is wrong." + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "IC1 & IC2 are 0.39 mA\n", + "RC is 12.93 kohm\n" + ] + } + ], + "prompt_number": 25 + } + ], + "metadata": {} + } + ] +}
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