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diff --git a/sample_notebooks/YogeshPatil/Chapter_2_3.ipynb b/sample_notebooks/YogeshPatil/Chapter_2_3.ipynb new file mode 100755 index 00000000..2eef0dcc --- /dev/null +++ b/sample_notebooks/YogeshPatil/Chapter_2_3.ipynb @@ -0,0 +1,229 @@ +{
+ "metadata": {
+ "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter No.2 : Operational Amplifier Fundamentals"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 2.1, Page No. 59"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Input bias and input offset current\n",
+ "\n",
+ "import math\n",
+ "#Variable declaration\n",
+ "Ib1 = 18*10**-6 # base current of transistor 1\n",
+ "Ib2 = 22*10**-6 # base current of transistor 2\n",
+ "\n",
+ "#Calculations\n",
+ "#(i)\n",
+ "Ib = (Ib1+Ib2)/2\n",
+ "#(ii)\n",
+ "Iios = abs(Ib1-Ib2)\n",
+ "\n",
+ "#Result\n",
+ "print(\"(i) Input bias current = %d micro-A\\n(ii) Input offset current = %.0f micro-A\"%(Ib*10**6,Iios*10**6))"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "(i) Input bias current = 20 micro-A\n",
+ "(ii) Input offset current = 4 micro-A\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 2.2, Page No. 65"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Maximum frequency of operation\n",
+ "\n",
+ "import math\n",
+ "#Variable declaration\n",
+ "Vin = 3.0 # input voltage\n",
+ "sr = 0.5*10**6 # slew rate in V/Sec\n",
+ "\n",
+ "#Calculations\n",
+ "Vm = Vin/2\n",
+ "fm = sr/(2*math.pi*Vm)\n",
+ "fm = fm /1000 \n",
+ "\n",
+ "#Result\n",
+ "print(\"Maximum frequency of operation is %.3f kHz\"%(math.floor(fm*1000)/1000))"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Maximum frequency of operation is 53.051 kHz\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 2.3, Page No. 65"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Slew rate \n",
+ "\n",
+ "import math\n",
+ "#Variable declaration\n",
+ "Icq = 15*10**-6 # Maximum op-amp current \n",
+ "C = 35*10**-12 # equivalent capacitance\n",
+ "V = 12.0 # input voltage \n",
+ "\n",
+ "#Calculations\n",
+ "S = Icq/C\n",
+ "S = S/10**6\n",
+ "\n",
+ "#Result\n",
+ "print(\"Slew rate = %.4f V/micro-sec\"%(math.floor(S*10**4)/10**4))"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Slew rate = 0.4285 V/micro-sec\n"
+ ]
+ }
+ ],
+ "prompt_number": 15
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 2.4, Page No. 66"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Slew rate and maximum possible frequency of input\n",
+ "\n",
+ "import math\n",
+ "# Variable declaration\n",
+ "Icq = 10*10**-6 # maximum op-amp current\n",
+ "C = 33*10**-12 # equivalent capacitance\n",
+ "V = 12 # peak value of input voltage\n",
+ "\n",
+ "\n",
+ "#Calculations\n",
+ "S = Icq/C\n",
+ "fm = S/(2*math.pi*V)\n",
+ "\n",
+ "#Result\n",
+ "print(\"Slew rate = %.3f V/micro-sec\\nfm = %.3f kHz\"%(S/10**6,fm/1000))"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Slew rate = 0.303 V/micro-sec\n",
+ "fm = 4.019 kHz\n"
+ ]
+ }
+ ],
+ "prompt_number": 20
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "example 2.5, Page No. 66"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# Common mode rejection ratio(refere to fig 2.24)\n",
+ "\n",
+ "import math\n",
+ "#Variable declaration\n",
+ "R1 = 1000.0 # resistance 1\n",
+ "R2_1_E = 90000.0 # resistance R2(1-E)\n",
+ "R2 = 100000.0 # resistance R2\n",
+ "\n",
+ "#Calculations\n",
+ "Aid = R2/R1\n",
+ "E = 1-(R2_1_E/R2)\n",
+ "Acm = R2*E/(R1+R2)\n",
+ "CMRR = Aid/Acm\n",
+ "CMRR = 20*math.log10(CMRR)\n",
+ "\n",
+ "#Result\n",
+ "print(\"CMRR = %d dB\"%CMRR)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "CMRR = 60 dB\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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