diff options
Diffstat (limited to 'modern_physics_by_Satish_K._Gupta/chap35.ipynb')
| -rw-r--r-- | modern_physics_by_Satish_K._Gupta/chap35.ipynb | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/modern_physics_by_Satish_K._Gupta/chap35.ipynb b/modern_physics_by_Satish_K._Gupta/chap35.ipynb new file mode 100644 index 00000000..27056667 --- /dev/null +++ b/modern_physics_by_Satish_K._Gupta/chap35.ipynb @@ -0,0 +1,263 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:6fd837c473d583739b16708ec5ff802d29867f6cb2f48bae07778822e1c04084"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 35 Analog and Digital Communication"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 35.1 Page no 978"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "Em=0.5 \n",
+ "Ec=1\n",
+ "\n",
+ "#Calculation\n",
+ "Emax=Ec+Em\n",
+ "Emin=Ec-Em\n",
+ "Ma=(Emax-Emin)/(Emax+Emin)\n",
+ "\n",
+ "#Result\n",
+ "print\"The modulation index is\",Ma"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The modulation index is 0.5\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 35.2 Page no 978"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "L=3.6*10**-3 #H\n",
+ "C=2.5*10**-12 #F\n",
+ "Fm=15 #KHz\n",
+ "\n",
+ "#Calculation\n",
+ "import math\n",
+ "Fc=1/(2*math.pi*math.sqrt(L*C))*10**-3\n",
+ "S=Fc+Fm\n",
+ "S1=Fc-Fm\n",
+ "\n",
+ "#Result\n",
+ "print\"Frequency of upper sideband is\",round(S,0),\"kHz\"\n",
+ "print\"Frequency of lower sideband is\",round(S1,0),\"kHz\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Frequency of upper sideband is 1693.0 kHz\n",
+ "Frequency of lower sideband is 1663.0 kHz\n"
+ ]
+ }
+ ],
+ "prompt_number": 27
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 35.3 Page no 978"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "Fm=3.2 #kHz\n",
+ "Fc=84*10**3 #kHz\n",
+ "A=96 #kHz\n",
+ "\n",
+ "#Calculation\n",
+ "Mf=A/Fm\n",
+ "M1=Fc-Fm\n",
+ "M2=Fc+Fm\n",
+ "\n",
+ "#Result\n",
+ "print\"(a) Frequency modulation index is\",Mf\n",
+ "print\"(b) Frequency range of the modulated wave is\",round(M1*10**-3,3),\"*10**3 MHz\",\"to\",round(M2*10**-3,3),\"*10**3 MHz\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "(a) Frequency modulation index is 30.0\n",
+ "(b) Frequency range of the modulated wave is 83.997 *10**3 MHz to 84.003 *10**3 MHz\n"
+ ]
+ }
+ ],
+ "prompt_number": 44
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 35.4 Page no 979"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "A=1\n",
+ "B=2\n",
+ "C=0\n",
+ "\n",
+ "#Calculation\n",
+ "Q1=(A*B**0)+(C*B**1)+(C*B**2)+(C*B**3)\n",
+ "Q2=(C*B**0)+(A*B**1)+(C*B**2)+(C*B**3)\n",
+ "Q3=(C*B**0)+(C*B**1)+(A*B**2)+(C*B**3)\n",
+ "Q4=(C*B**0)+(C*B**1)+(C*B**2)+(A*B**3)\n",
+ "Q5=(A*B**0)+(C*B**1)+(C*B**2)+(A*B**3)\n",
+ "Q6=(A*B**0)+(C*B**1)+(A*B**2)+(A*B**3)\n",
+ "\n",
+ "#Result\n",
+ "print\"Input voltage 0001 is\",Q1,\"V\"\n",
+ "print\"Input voltage 0010 is\",Q2,\"V\"\n",
+ "print\"Input voltage 0100 is\",Q3,\"V\"\n",
+ "print\"Input voltage 1000 is\",Q4,\"V\"\n",
+ "print\"Input voltage 1001 is\",Q5,\"V\"\n",
+ "print\"Input voltage 1101 is\",Q6,\"V\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input voltage 0001 is 1 V\n",
+ "Input voltage 0010 is 2 V\n",
+ "Input voltage 0100 is 4 V\n",
+ "Input voltage 1000 is 8 V\n",
+ "Input voltage 1001 is 9 V\n",
+ "Input voltage 1101 is 13 V\n"
+ ]
+ }
+ ],
+ "prompt_number": 55
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 35.5 Page no 979"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "A=2\n",
+ "N=32\n",
+ "\n",
+ "#Calculation\n",
+ "Z=A**N\n",
+ "\n",
+ "#Result\n",
+ "print\"Number of quantisation levels is\",round(Z*10**-9,1),\"*10**9\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Number of quantisation levels is 4.3 *10**9\n"
+ ]
+ }
+ ],
+ "prompt_number": 60
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 35.6 Page no 979"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Given\n",
+ "S=16\n",
+ "Q=8000\n",
+ "\n",
+ "#Calculation\n",
+ "N=math.sqrt(S)\n",
+ "W=Q*N\n",
+ "\n",
+ "#Result\n",
+ "print\"The bill rate for a signal is\",W,\"bill s**-1\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The bill rate for a signal is 32000.0 bill s**-1\n"
+ ]
+ }
+ ],
+ "prompt_number": 69
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file |