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diff --git a/backup/temp_version_backup/chapter8.ipynb b/backup/temp_version_backup/chapter8.ipynb new file mode 100755 index 00000000..4cad3df0 --- /dev/null +++ b/backup/temp_version_backup/chapter8.ipynb @@ -0,0 +1,185 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:6738b73e6fb4913114449836a25c14169c484a93e5e60fcba9b0e4a9815c8f56"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 8 Radio transmitters"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.1 Page no 249"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "f = 16*10**6\n",
+ "ppm = 200\n",
+ "frequency_variation = 200 *16 \n",
+ "\n",
+ "#Calculation\n",
+ "min_f = f - frequency_variation\n",
+ "max_f = f + frequency_variation\n",
+ "\n",
+ "#Reslt\n",
+ "print\"The minimum and maximum frequencies for the crystal of 16 Mhz with stability of 200 are \",min_f,\"Hz and\",max_f,\"Hz respectively\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The minimum and maximum frequencies for the crystal of 16 Mhz with stability of 200 are 15996800 Hz and 16003200 Hz respectively\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.2 Page no 250"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "f =14.9*10**6\n",
+ "mul_factor = 2*3*3\n",
+ "stability_ppm =300\n",
+ "variation = 0.0003\n",
+ "\n",
+ "#Calculation\n",
+ "total_variation = variation* mul_factor\n",
+ "fout = f * mul_factor\n",
+ "frequency_variation = fout*total_variation\n",
+ "f_lower = fout - frequency_variation\n",
+ "f_upper = fout + frequency_variation\n",
+ "\n",
+ "#Result\n",
+ "print\"(a) The output frequency of the transmitter is \",fout/10**6,\"MHz\"\n",
+ "print\"(b) The maximum and minimum frequencies of the transmitter are \",round(f_lower/10**6,2),\"Mhz and \",round(f_upper/10**6,2),\"Mhz\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "(a) The output frequency of the transmitter is 268.2 MHz\n",
+ "(b) The maximum and minimum frequencies of the transmitter are 266.75 Mhz and 269.65 Mhz\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.3 Page no 259"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#given\n",
+ "f = 10*10**6\n",
+ "div_factor = 100.0\n",
+ "A =63\n",
+ "N = 285\n",
+ "M=32\n",
+ "\n",
+ "#Calculation\n",
+ "ref = f/div_factor\n",
+ "R =M*N+A\n",
+ "fout= R*ref\n",
+ "\n",
+ "#Result\n",
+ "print\"The output frequency of the synthesizer is \",fout/10**6,\"MHz\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The output frequency of the synthesizer is 918.3 MHz\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8.4 Page no 259"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "f = 10*10**6\n",
+ "div_factor = 100.0\n",
+ "A =64\n",
+ "N = 285\n",
+ "M=32\n",
+ "\n",
+ "#Calculation\n",
+ "ref = f/div_factor\n",
+ "R =M*N+A\n",
+ "fout= R*ref\n",
+ "\n",
+ "#Result\n",
+ "print\"The output frequency of the synthesizer is \",fout/10**6,\"MHz\"\n",
+ "print\"The step change is \",fout/10**6-918.3,\"MHz\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The output frequency of the synthesizer is 918.4 MHz\n",
+ "The step change is 0.1 MHz\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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