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-{
- "metadata": {
- "name": "",
- "signature": "sha256:c0e331b614f072bb0c21b302f0e54b6a8366fa46ba53ae4810b072360f344e0d"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 10: Power Amplifiers"
- ]
- },
- {
- "cell_type": "heading",
- "level": 3,
- "metadata": {},
- "source": [
- "Example 10.1 Page No.345"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "RL=16 # Ohms, load resistance\n",
- "RLd=10000.0 # Ohms ,effective load resistance\n",
- "\n",
- "#Calculation\n",
- "import math\n",
- "N12=math.sqrt(RLd/RL) #N12=N1/N2\n",
- "\n",
- "# Result\n",
- "print \" The Transformer Turns Ratio is N1/N2\",N12,\":1\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- " The Transformer Turns Ratio is N1/N2 25.0 :1\n"
- ]
- }
- ],
- "prompt_number": 3
- },
- {
- "cell_type": "heading",
- "level": 3,
- "metadata": {},
- "source": [
- "Example 10.2 Page No.345"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "#Given Circuit Data\n",
- "Rl=8.0 #Ohms, load resistance\n",
- "N12=15.0 #N12=N1/N2, transformer turns ratio\n",
- "\n",
- "#Calculation\n",
- "Rld=(N12)**2*Rl #effective resistance\n",
- "\n",
- "# Result\n",
- "print \" The Effective Resistance seen looking into the Primary, Rld = \",Rld/10**3,\"k ohm\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": []
- },
- {
- "cell_type": "heading",
- "level": 3,
- "metadata": {},
- "source": [
- "Example 10.3 Page No.353"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "I1=15 #A\n",
- "I2=1.5 #A\n",
- "I3=1.2 #A\n",
- "I4=0.5 #A\n",
- "\n",
- "#Calculation\n",
- "D2=(I2/I1)*100 #percentage harmonic distribution of component 2\n",
- "D3=(I3/I1)*100 #percentage harmonic distribution of component 3\n",
- "D4=(I4/I1)*100 #percentage harmonic distribution of component 4\n",
- "\n",
- "#Result\n",
- "print \" The Second Harmonic Distortion is, D2 = percent .\",D2\n",
- "print \" The Third Harmonic Distortion is, D3 = percent .\",D3\n",
- "print \" The Fourth Harmonic Distortion is, D4 = percent .\",round(D4,2)\n",
- "\n",
- "#(b)\n",
- "import math\n",
- "P1=1 #say\n",
- "\n",
- "#Calculation\n",
- "D=math.sqrt(D2**2+D3**2+D4**2) #Distortion Factor\n",
- "P=(1+(D/100)**2)*P1\n",
- "Pi=((P-P1)/P1)*100\n",
- "\n",
- "#Result\n",
- "print \"The Percentage Increase in Power because of Distortion is, Pi (in percent)= \",round(Pi,2)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": []
- }
- ],
- "metadata": {}
- }
- ]
-} \ No newline at end of file