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+{
+ "metadata": {
+ "name": "Preeti",
+ "signature": "sha256:b8dcb8af15a997e111f6feb032fec7a056888e6b8b149ec767b2b1cbf63692d5"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 1 : Operational Amplifiers"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exa 1.1 : page 11"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Given data\n",
+ "G= -100.0 # Gain\n",
+ "R1= 2.2 # in kohm\n",
+ "R1=R1*10**3 # in ohm\n",
+ "# Formula G=-Rf/R1\n",
+ "Rf= -G*R1 # ohm\n",
+ "Rf*= 10**-3 # kohm\n",
+ "print \"The value of Rf is %d kohm\" %Rf"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The value of Rf is 220 kohm\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exa 1.2 : page 11"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Given data\n",
+ "Rf= 200 # in kohm\n",
+ "R1= 2 # in kohm\n",
+ "vin=2.5 # in mV\n",
+ "vin=vin*10**-3 # in volt\n",
+ "G= -Rf/R1 \n",
+ "vo= G*vin # in V\n",
+ "print \"The output voltage is %0.2f volt\" %vo"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The output voltage is -0.25 volt\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exa 1.3 : page 12"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Given data\n",
+ "G=-10.0 \n",
+ "Ri= 100.0 # in kohm\n",
+ "R1= Ri # in kohm\n",
+ "R1=R1*10**3 # in ohm\n",
+ "R1*= 10**-3 # kohm\n",
+ "# Formula G=-R2/R1\n",
+ "R2= R1*abs(G) # ohm\n",
+ "R2*= 10**-3 # Mohm\n",
+ "print \"Value of R1 is %0.2f kohm\" %R1\n",
+ "print \"and value of R2 is %0.2f Mohm\" %R2"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Value of R1 is 100.00 kohm\n",
+ "and value of R2 is 1.00 Mohm\n"
+ ]
+ }
+ ],
+ "prompt_number": 16
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exa 1.4 : page 37"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Given data\n",
+ "R1= 100.0 # in kohm\n",
+ "R2= 500 # in kohm\n",
+ "V1= 2.0 # in volt\n",
+ "Vo= (1+R2/R1)*V1 # in volt\n",
+ "print \"Output voltage for noninverting amplifier is %0.2f volt\" %Vo"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Output voltage for noninverting amplifier is 12.00 volt\n"
+ ]
+ }
+ ],
+ "prompt_number": 19
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exa 1.5 : page 38"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Given data\n",
+ "Rf= 1 # in Mohm\n",
+ "Rf=Rf*10**6 #in ohm\n",
+ "\n",
+ "# Part(a)\n",
+ "V1=1.0 #in volt\n",
+ "V2=2.0 #in volt\n",
+ "V3=3.0 #in volt\n",
+ "R1= 500.0 # in kohm\n",
+ "R1=R1*10**3 #in ohm\n",
+ "R2= 1 # in Mohm\n",
+ "R2=R2*10**6 #in ohm\n",
+ "R3= 1.0 # in Mohm\n",
+ "R3=R3*10**6 #in ohm\n",
+ "Vo= -Rf*(V1/R1+V2/R2+V3/R3) # in volt\n",
+ "print \"(a) Output voltage is %0.2f volt\" %Vo\n",
+ "\n",
+ "# Part(b)\n",
+ "V1=-2.0 #in volt\n",
+ "V2=3.0 #in volt\n",
+ "V3=1.0 #in volt\n",
+ "R1= 200.0 # in kohm\n",
+ "R1=R1*10**3 #in ohm\n",
+ "R2= 500.0 # in kohm\n",
+ "R2=R2*10**3 #in ohm\n",
+ "R3= 1.0 # in Mohm\n",
+ "R3=R3*10**6 #in ohm\n",
+ "Vo= -Rf*(V1/R1+V2/R2+V3/R3) # in volt\n",
+ "print \"(b) Output voltage is %0.2f volt\" %Vo"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "(a) Output voltage is -7.00 volt\n",
+ "(b) Output voltage is 3.00 volt\n"
+ ]
+ }
+ ],
+ "prompt_number": 22
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exa 1.6 : page 38"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Given data\n",
+ "print \"Minimum closed loop voltage gain for R2=0 and R1= 2 kohm is \"\n",
+ "R2=0 \n",
+ "R1=2.0 # in kohm\n",
+ "R1=R1*10**3 # in ohm\n",
+ "Av_min= (1+R2/R1)\n",
+ "print Av_min\n",
+ "\n",
+ "print \"Maximum closed loop voltage gain for maximum value of R2=100 kohm and R1= 2 kohm is\"\n",
+ "R2=100 # in kohm\n",
+ "R1=2 # in kohm\n",
+ "Av_max= (1+R2/R1)\n",
+ "print Av_max "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Minimum closed loop voltage gain for R2=0 and R1= 2 kohm is \n",
+ "1.0\n",
+ "Maximum closed loop voltage gain for maximum value of R2=100 kohm and R1= 2 kohm is\n",
+ "51\n"
+ ]
+ }
+ ],
+ "prompt_number": 26
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Exa 1.7 : page 39"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Given data\n",
+ "V1= 745 # in \u00b5V\n",
+ "V2= 740 # in \u00b5V\n",
+ "V1=V1*10**-6 # in volt\n",
+ "V2=V2*10**-6 # in volt\n",
+ "CMRR=80 # in dB\n",
+ "Av=5*10**5 \n",
+ "# (i)\n",
+ "# CMRR in dB= 20*log(Ad/Ac)\n",
+ "Ad=Av \n",
+ "Ac= Ad/10**(CMRR/20) \n",
+ "# (ii)\n",
+ "Vo= Ad*(V1-V2)+Ac*(V1+V2)/2 \n",
+ "print \"Output voltage is %0.2f volt\" %Vo"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Output voltage is 2.54 volt\n"
+ ]
+ }
+ ],
+ "prompt_number": 27
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
generated by cgit (git 2.34.1) at 2024-12-21 07:11:25 +0000