From 9d260e6fae7328d816a514130b691fbd0e9ef81d Mon Sep 17 00:00:00 2001 From: hardythe1 Date: Fri, 3 Jul 2015 12:23:43 +0530 Subject: add/remove books --- sample_notebooks/DaudIbrahir Saifi/Chapter2.ipynb | 228 ++++++++++++++++++++++ 1 file changed, 228 insertions(+) create mode 100755 sample_notebooks/DaudIbrahir Saifi/Chapter2.ipynb (limited to 'sample_notebooks/DaudIbrahir Saifi/Chapter2.ipynb') diff --git a/sample_notebooks/DaudIbrahir Saifi/Chapter2.ipynb b/sample_notebooks/DaudIbrahir Saifi/Chapter2.ipynb new file mode 100755 index 00000000..b9dc8563 --- /dev/null +++ b/sample_notebooks/DaudIbrahir Saifi/Chapter2.ipynb @@ -0,0 +1,228 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:cba451428c3d9c574800bbc1429b7e9efcd18af4b82f735faf4ac85b4ea52c65" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter02:The 741 IC OP-AMP" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex2.1:Pg-80" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#Ex 2.1\n", + "\n", + "# data from fig of Ex2.1\n", + "VCC=5.0;#V\n", + "IS=10**-14.0;#A\n", + "RS=39*1000.0;#ohm\n", + "VBE12=0.7;#V(Assumed)\n", + "VBE11=0.7;#V(Assumed)\n", + "VEE=-5;#V\n", + "IREF=(VCC-VBE12-VBE11-VEE)/RS*10**6;#micro A\n", + "print \"Estimated input reference current , IREF(micro A)\",round(IREF,2)\n", + "VT=25*10**-3;#V(Thermal Voltage)\n", + "VBE=VT*log(IREF*10**-6/IS);#V\n", + "IREF=(VCC-VBE-VBE-VEE)/RS*10**6;#micro A\n", + "print \"More precise value of reference current , IREF(micro A)\",round(IREF,2)\n", + "#Replacing Vcc by 15 V in the original design\n", + "VCC2=15.0;#V\n", + "VEE2=-15.0;#V\n", + "IREF=(VCC2-VBE-VBE-VEE2)/RS*10**6;#micro A\n", + "VBE=VT*log(IREF*10**-6/IS);#V\n", + "R5=(VCC-VBE-VBE-VEE)/(IREF*10**-6);#ohm\n", + "R5=round(R5/1000);#kohm\n", + "print \"Value of R5(kohm) : \",R5" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Estimated input reference current , IREF(micro A) 220.51\n", + "More precise value of reference current , IREF(micro A) 225.88\n", + "Value of R5(kohm) : 12.0\n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex2.2:Pg-81" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#Ex 2.2\n", + "import math\n", + "# data from fig of Ex2.2\n", + "IC10=20*10**-6;#A\n", + "IREF=0.5*10**-3;#A\n", + "IS=10**-14;#A\n", + "VT=25*10**-3;#V(Thermal Voltage)\n", + "R4=VT/IC10*math.log(IREF/IC10);#ohm\n", + "print \"For Widlar current source design, the value of R4(kohm) : \",round(R4/1000,2)\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "For Widlar current source design, the value of R4(kohm) : 4.02\n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex2.3:Pg-82" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#Ex 2.3\n", + "\n", + "import math\n", + "# given data\n", + "Gm1=10.0;#mA/V\n", + "Gm1=Gm1/1000;#A/V\n", + "Cc=50.0;#pF\n", + "Cc=Cc*10**-12;#F\n", + "Rt=10**8;#ohm(Shunting resistance with Cc)\n", + " # solution\n", + "Ao=Gm1*Rt;#unitless\n", + "fp=1/(2*math.pi*Rt*Cc);#Hz\n", + "ft=Gm1/(2*math.pi*Cc)/10**6;#MHz\n", + "print \"Frequency at which gain is maximum, fp in Hz\",round(fp,1)\n", + "print \"Unit gain frequency, ft(MHz)\",round(ft,1)\n", + "#Bode plot can not be plotted with the given data in the question by using python functions. \n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Frequency at which gain is maximum, fp in Hz 31.8\n", + "Unit gain frequency, ft(MHz) 31.8\n" + ] + } + ], + "prompt_number": 7 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex2.4:Pg-83" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#Ex 2.4\n", + "\n", + "import math\n", + "# given data\n", + "SR=10.0/10**-6;#V/s\n", + "Vout=10.0;#V(magnitude of output voltage)\n", + "fm=SR/(2*math.pi*Vout)/1000;#kHz\n", + "print \"Full power bandwidth(kHz)\",round(fm,1)\n", + "VT=25.0/1000;#V(Thermal voltage)\n", + "ft=SR/(2*math.pi*4*VT)/10.0**6;#MHz\n", + "print \"Unity gain bandwidth(MHz)\",round(ft,1)\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Full power bandwidth(kHz) 159.2\n", + "Unity gain bandwidth(MHz) 15.9\n" + ] + } + ], + "prompt_number": 10 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex2.5:Pg-84" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#Ex 2.5\n", + "\n", + "VCC=5;#V\n", + "VEE=-5;#V\n", + "VBE=0.6;#V\n", + "VCE23=0.6;#V\n", + "VCE_sat=0.2;#V\n", + "Vo_max=VCC-VCE_sat-VBE;#V\n", + "Vo_min=VEE+VCE_sat+VBE+VCE23;#V\n", + "print \"Maximum output voltage(V)\",round(Vo_max,2)\n", + "print \"Minimum output voltage(V)\",round(Vo_min,2)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Maximum output voltage(V) 4.2\n", + "Minimum output voltage(V) -3.6\n" + ] + } + ], + "prompt_number": 11 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit