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+{
+ "metadata": {
+ "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter : 2 - The 741 IC Op-Amp"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2.2 : Page No - 62"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given data\n",
+ "I_b1 = 18 # in \u00b5A\n",
+ "I_b2 = 22 # in \u00b5A\n",
+ "I_b = (I_b1+I_b2)/2 # in \u00b5A\n",
+ "print \"Input bias current %0.f \u00b5A\" %I_b \n",
+ "I_ios = abs(I_b1-I_b2) # in \u00b5A\n",
+ "print \"Input offset current = %0.f \u00b5A\" %I_ios"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input bias current 20 \u00b5A\n",
+ "Input offset current = 4 \u00b5A\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2.4 : Page No - 66"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "from numpy import pi\n",
+ "#Given data\n",
+ "I_CQ = 10 # in \u00b5A\n",
+ "I_CQ= I_CQ*10**-6 # in A\n",
+ "I = I_CQ # in A\n",
+ "C_C = 33 # in pF\n",
+ "C_C=C_C*10**-12 # in F\n",
+ "C = C_C # in F\n",
+ "S = I/C # in V/sec\n",
+ "print \"The slew rate = %0.3f V/\u00b5-sec\" %(S*10**-6) \n",
+ "V_m = 12 # in V\n",
+ "f_m = S/(2*pi*V_m) # in Hz\n",
+ "f_m = f_m * 10**-3 # in kHz\n",
+ "print \"Maximum possible frequency = %0.3f kHz\" %f_m "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The slew rate = 0.303 V/\u00b5-sec\n",
+ "Maximum possible frequency = 4.019 kHz\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2.5 : Page No - 69"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given data\n",
+ "CMRR = 100 \n",
+ "V1 = 300 # in \u00b5V\n",
+ "V2 = 240 # in \u00b5V\n",
+ "V_id = V1-V2 # in \u00b5V\n",
+ "V_cm = (V1+V2)/2 # in \u00b5V\n",
+ "A_id = 5000 \n",
+ "A_cm = A_id/CMRR \n",
+ "V_out = (A_id*V_id) + (A_cm*V_cm) # in \u00b5V\n",
+ "V_out = V_out * 10**-3 # in mV\n",
+ "print \"Part (i)\"\n",
+ "print \"The output Voltage = %0.1f mV\" %V_out \n",
+ "print \"\\nPart (ii)\"\n",
+ "CMRR = 10**5 \n",
+ "A_cm = A_id/CMRR \n",
+ "V_out = (A_id*V_id) + (A_cm*V_cm) # in \u00b5V\n",
+ "V_out = V_out* 10**-3 # in mV\n",
+ "print \"The output voltage = %0.f mV\" %V_out "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Part (i)\n",
+ "The output Voltage = 313.5 mV\n",
+ "\n",
+ "Part (ii)\n",
+ "The output voltage = 300 mV\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2.6 : Page No - 69"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "from __future__ import division\n",
+ "from math import log10\n",
+ "#Given data\n",
+ "R1 = 1 # in k ohm\n",
+ "R2 = 100 # in k ohm\n",
+ "A_id = R2/R1 # in k ohm\n",
+ "Epsilon = 1 - (90/R2) \n",
+ "A_cm = (R2*Epsilon)/(R1+R2)\n",
+ "CMMR = A_id/A_cm \n",
+ "CMRR = 20*log10(CMMR) # in dB\n",
+ "print \"The value of CMRR = %0.f dB\" %CMRR "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The value of CMRR = 60 dB\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2.6 Again : Page No - 81"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given data\n",
+ "gm1= 1/5.26 # in mA/V\n",
+ "gm1= gm1*10**-3 # in A/v\n",
+ "I= 9.5 # in \u00b5A\n",
+ "I=I*10**-6 # in A\n",
+ "del_I= 5.5*10**-3*I # in A\n",
+ "V_OS= del_I/gm1 # in V\n",
+ "print \"The offset voltage = %0.1f mV\" %(V_OS*10**3)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The offset voltage = 0.3 mV\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2.17 : Page No - 90"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given data\n",
+ "V = 10 # in V\n",
+ "R1 = 1 # in k ohm\n",
+ "R1=R1*10**3 # in ohm\n",
+ "R2 = 9 # in k ohm\n",
+ "R2= R2*10**3 # in ohm\n",
+ "I_out = 20 # in mA\n",
+ "I_out=I_out*10**-3 # in A\n",
+ "R_L = V/( I_out-(V/(R1+R2)) ) # in ohm\n",
+ "print \"The lowest value of R_L = %0.f ohm\" %R_L "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The lowest value of R_L = 500 ohm\n"
+ ]
+ }
+ ],
+ "prompt_number": 13
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2.18 : Page No - 93\n",
+ " "
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given data\n",
+ "I_CQ = 10 # in \u00b5A\n",
+ "I_CQ= I_CQ*10**-6 # in A\n",
+ "I = I_CQ # in A\n",
+ "C_C = 33 # in pF\n",
+ "C_C=C_C*10**-12 # in F\n",
+ "C = C_C # in F\n",
+ "S = I/C # in V/sec\n",
+ "print \"The slew rate = %0.3f V/\u00b5-sec\" %(S*10**-6 )\n",
+ "V_m = 12 # in V\n",
+ "f_m = S/(2*pi*V_m) # in Hz\n",
+ "f_m = f_m * 10**-3 # in kHz\n",
+ "print \"Maximum possible frequency = %0.3f kHz\" %f_m "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The slew rate = 0.303 V/\u00b5-sec\n",
+ "Maximum possible frequency = 4.019 kHz\n"
+ ]
+ }
+ ],
+ "prompt_number": 16
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
generated by cgit (git 2.34.1) at 2024-12-20 22:15:35 +0000