diff options
Diffstat (limited to 'backup/temp_version_backup/chapter7.ipynb')
| -rwxr-xr-x | backup/temp_version_backup/chapter7.ipynb | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/backup/temp_version_backup/chapter7.ipynb b/backup/temp_version_backup/chapter7.ipynb deleted file mode 100755 index c4587482..00000000 --- a/backup/temp_version_backup/chapter7.ipynb +++ /dev/null @@ -1,221 +0,0 @@ -{
- "metadata": {
- "name": "",
- "signature": "sha256:13e4ad42742896befb0b329fd930804197555dd5705f1dd526b017e9117b7b00"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 7 Digital communication techniques"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 7.1 Page no 210"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "t = 71.4*10**-6\n",
- "\n",
- "#calculation\n",
- "f = 1/t\n",
- "fourth_harmonic = f*4\n",
- "min_sampling = 2*fourth_harmonic\n",
- "\n",
- "#Result\n",
- "print\"(a) The frequency of the signal is \",round(f/10**3,1),\"KHz\"\n",
- "print\"(b) The fourth harmonic is \",round(fourth_harmonic/10**3,0),\"KHz\"\n",
- "print\"(c) Minimum sampling rate is \",round(min_sampling/10**3,0),\"KHz\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "(a) The frequency of the signal is 14.0 KHz\n",
- "(b) The fourth harmonic is 56.0 KHz\n",
- "(c) Minimum sampling rate is 112.0 KHz\n"
- ]
- }
- ],
- "prompt_number": 3
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 7.2 Page no 222"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "N = 14\n",
- "discrete_levels = 2.0**N\n",
- "\n",
- "#Calculation\n",
- "num_vltg_inc =2**N-1\n",
- "resolution = 12/discrete_levels \n",
- "\n",
- "#Result\n",
- "print\"(a) The numbedr of discrete levels that are represented using N number of bits are \",discrete_levels\n",
- "print\"(b) the number odf voltage increments required to divide the voltage range are \",num_vltg_inc\n",
- "print\"(c) Resolution of the digitization \",round(resolution*10**6,2),\"microvolt\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "(a) The numbedr of discrete levels that are represented using N number of bits are 16384.0\n",
- "(b) the number odf voltage increments required to divide the voltage range are 16383\n",
- "(c) Resolution of the digitization 732.42 microvolt\n"
- ]
- }
- ],
- "prompt_number": 5
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 7.3 Page no 225"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "N =12\n",
- "SINAD1=78\n",
- "\n",
- "#Calculation\n",
- "SINAD2 = 6.02*N + 1.76\n",
- "ENOB =(SINAD1 -1.76)/6.02\n",
- "\n",
- "#Result\n",
- "print\"(a) The SINAD for 12 bit convertre is \",SINAD2,\"db\"\n",
- "print\"(b) The ENOB for the converter with SINAD of 78 dB is \",round(ENOB,2),\"bits\" \n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "(a) The SINAD for 12 bit convertre is 74.0 db\n",
- "(b) The ENOB for the converter with SINAD of 78 dB is 12.66 bits\n"
- ]
- }
- ],
- "prompt_number": 7
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 7.4 Page no 233"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Gievn\n",
- "Vm = 1.0\n",
- "Vin = 0.25\n",
- "mu =255\n",
- "\n",
- "#Calculation\n",
- "import math\n",
- "Vout = (Vm*log(1+mu*(Vin/Vm)))/log(1+mu)\n",
- "gain =Vout/Vin\n",
- "\n",
- "#Result\n",
- "print\"The output voltage of the compander \",round(Vout,2),\"volt\"\n",
- "print\"Gain of the compander is \",round(gain,0)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The output voltage of the compander 0.75 volt\n",
- "Gain of the compander is 3.0\n"
- ]
- }
- ],
- "prompt_number": 9
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 7.5 Page no 234"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "Vin = 0.8\n",
- "Vm =1.0\n",
- "mu =255\n",
- "\n",
- "#Calculation\n",
- "import math\n",
- "Vout = (Vm*math.log(1+mu*(Vin/Vm)))/math.log(1+mu)\n",
- "gain =Vout/Vin\n",
- "\n",
- "#Result\n",
- "print\"The output voltage of the compander \",round(Vout,1),\"volt\"\n",
- "print\"Gain of the compander is \",round(gain,1)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The output voltage of the compander 1.0 volt\n",
- "Gain of the compander is 1.2\n"
- ]
- }
- ],
- "prompt_number": 14
- }
- ],
- "metadata": {}
- }
- ]
-}
\ No newline at end of file |