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+{
+ "metadata": {
+ "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 3 : Operational Amplifier Characteristics "
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.1 Page No.108"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Given data \n",
+ "\n",
+ "Ri = 10*10**3\n",
+ "R1 = 10*10**6\n",
+ "Acl = 10\n",
+ "\n",
+ "# Solution \n",
+ "\n",
+ "Rf = Acl * R1\n",
+ "Rt = 47*10**3\n",
+ "Rs = (Rt**2)/(Rf - (2*Rt))\n",
+ "\n",
+ "# Displaying the results\n",
+ "\n",
+ "print \"The value of Rf = \",Rf/10**6,\"Mega Ohms\"\n",
+ "print \"Thevalue of Rs = \",Rs,\"Ohms\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The value of Rf = 100 Mega Ohms\n",
+ "Thevalue of Rs = 22 Ohms\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.2 Page No.110"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Given data\n",
+ "\n",
+ "Rf = 10*10**3\n",
+ "R1 = 10**3\n",
+ "Vios = 10*10**-3\n",
+ "Ib = 300*10**-9\n",
+ "Ios = 50*10**-9\n",
+ "\n",
+ "# Solution \n",
+ "# Solution for part a\n",
+ "Vot1 = (1 + (Rf/R1))*Vios + Rf*Ib\n",
+ "# Solution for part b \n",
+ "Rcomp = (Rf * R1)/(Rf + R1)\n",
+ "# Solution for part c\n",
+ "Vot2 = (1+(Rf/R1))*Vios + Rf*Ios \n",
+ "\n",
+ "# Displaying the values \n",
+ "\n",
+ "print \"The value of maximum output offset due to Vios and Ib = \", int( Vot1*10**3),\"mV\"\n",
+ "print \"The value of Rcomp = \",Rcomp,\"Ohms\" # Given answer in the textbook is not correct please make the change \n",
+ "print \"The value of maximum output offset if Rcomp is connected = \",Vot2*10**3,\"mV\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The value of maximum output offset due to Vios and Ib = 113 mV\n",
+ "The value of Rcomp = 909 Ohms\n",
+ "The value of maximum output offset if Rcomp is connected = 110.5 mV\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.3 Page No.111"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Given data \n",
+ "\n",
+ "Acl = 100\n",
+ "Temp0 = 25\n",
+ "Temp1 = 50\n",
+ "Vodrift = 0.15*10**-3\n",
+ "\n",
+ "# Solution \n",
+ "\n",
+ "Vos = Vodrift * (Temp1 - Temp0)\n",
+ "Vo = Vos * Acl\n",
+ "\n",
+ "# Displaying the results \n",
+ "\n",
+ "print \"The value of Input offset voltage = \",Vos*10**3,\"mV\"\n",
+ "print \"The value of Ooutput voltage = \",int(Vo*10**3),\"mV\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The value of Input offset voltage = 3.75 mV\n",
+ "The value of Ooutput voltage = 375 mV\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.4 Page No.125"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Given data \n",
+ "from scipy import signal\n",
+ "import matplotlib.pyplot as plt\n",
+ "import numpy as np\n",
+ "\n",
+ "Vpp = 6.0\n",
+ "Frequency = 2*10**6\n",
+ "\n",
+ "# Solution \n",
+ "\n",
+ "WL = 1.0/Frequency # Calculating the wavelength \n",
+ "SR = Vpp/(WL/2) # Calculating the slew rate\n",
+ "\n",
+ "# Displaying the results \n",
+ "\n",
+ "print \"The value of slew rate is =\",int(SR*10**-6),\"V/us\"\n",
+ "\n",
+ "# Ploting the result \n",
+ "\n",
+ "Vp = 3\n",
+ "t = np.linspace(0, 1, 500)\n",
+ "plt.plot(t, -Vp*abs(signal.sawtooth(2 * np.pi * 2 * t))) # Note : Triangular wave is the absolute of sawtooth wave\n",
+ "plt.ylim(-3,0)\n",
+ "plt.title(\"Output wave form of example 3.4\")\n",
+ "plt.ylabel(\"Amplitude (V)\")\n",
+ "plt.xlabel(\"Time(t)\")\n",
+ "plt.show()"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The value of slew rate is = 24 V/us\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.5 Page No.126"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math \n",
+ "# Given data \n",
+ "\n",
+ "Acl = 50\n",
+ "Slew_rate = 0.5\n",
+ "frequency = 20*10**3\n",
+ "# solution \n",
+ "\n",
+ "Vm = round((Slew_rate * 10**6)/(2*math.pi * frequency),2)\n",
+ "Vo = 2 * Vm\n",
+ "Vpeak_to_peak = Vo/Acl\n",
+ "\n",
+ "# Displaying the outputs \n",
+ "\n",
+ "print \"The peak voltage is =\",Vm,\"V peak\"\n",
+ "print \"The peak to peak voltage =\",Vo,\"V peak to peak\"\n",
+ "print \"The value of maximum input voltage is =\",int(Vpeak_to_peak*10**3),\"mVpeak to peak \" \n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The peak voltage is = 3.98 V peak\n",
+ "The peak to peak voltage = 7.96 V peak to peak\n",
+ "The value of maximum input voltage is = 159 mVpeak to peak \n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3.6 Page No.127"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Given data \n",
+ "\n",
+ "Vptpi = 500*10**-3 #input peak to peak voltage \n",
+ "Vptpo = 3\n",
+ "Tr = 4*10**-6\n",
+ "\n",
+ "# Solution \n",
+ "\n",
+ "Vdelta = (0.9 - 0.1) * Vptpo\n",
+ "SR = (Vdelta / Tr ) * 10**-6\n",
+ "\n",
+ "# Display the values \n",
+ "\n",
+ "print \"The value of delta V = \",Vdelta,\"V\"\n",
+ "print \"The slew rate is = \",SR,\"V/us\"\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The value of delta V = 2.4 V\n",
+ "The slew rate is = 0.6 V/us\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [],
+ "language": "python",
+ "metadata": {},
+ "outputs": []
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
generated by cgit (git 2.34.1) at 2024-12-20 03:41:06 +0000