From c7691a36c0c99334ef3feb4e8729bdf17cf32e4a Mon Sep 17 00:00:00 2001 From: Trupti Kini Date: Tue, 5 Apr 2016 23:30:25 +0600 Subject: Added(A)/Deleted(D) following books A Electronic_Communication_by_D._Roddy/Chapter10_Angle_Modulation.ipynb A Electronic_Communication_by_D._Roddy/Chapter11_Pulse_Modulation.ipynb A Electronic_Communication_by_D._Roddy/Chapter12_Digital_Communications.ipynb A Electronic_Communication_by_D._Roddy/Chapter13_Transmission_Lines_And_Cables.ipynb A Electronic_Communication_by_D._Roddy/Chapter14_WaveGuides.ipynb A Electronic_Communication_by_D._Roddy/Chapter15_Radio_Wave_Propogation.ipynb A Electronic_Communication_by_D._Roddy/Chapter16_Antennas.ipynb A Electronic_Communication_by_D._Roddy/Chapter17_Telephone_Systems.ipynb A Electronic_Communication_by_D._Roddy/Chapter18_Fascimile_and_Television.ipynb A Electronic_Communication_by_D._Roddy/Chapter19_Satellite_Communications.ipynb A Electronic_Communication_by_D._Roddy/Chapter1_Passive_Circuits.ipynb A Electronic_Communication_by_D._Roddy/Chapter20_Fibre_Optic_Communication.ipynb A Electronic_Communication_by_D._Roddy/Chapter2_Waveform_Spectra.ipynb A Electronic_Communication_by_D._Roddy/Chapter4_Noise.ipynb A Electronic_Communication_by_D._Roddy/Chapter5_Tuned_Small_Signal_Amplifiers,_Mixers_and_Active_Filters.ipynb A Electronic_Communication_by_D._Roddy/Chapter6_Oscillators.ipynb A Electronic_Communication_by_D._Roddy/Chapter7_Receivers.ipynb A Electronic_Communication_by_D._Roddy/Chapter8_Amplitude_Modulation.ipynb A Electronic_Communication_by_D._Roddy/Chapter9_Single_Sideband_Modulation.ipynb A Electronic_Communication_by_D._Roddy/screenshots/1.png A Electronic_Communication_by_D._Roddy/screenshots/12.png A Electronic_Communication_by_D._Roddy/screenshots/9.png A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/Chapter11_Control_of_DC_Motors_1.ipynb A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/Chapter12_Controllers_and_Their_Optimisation_1.ipynb A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/Chapter13_Choppers_and_Transportation_system_Application_1.ipynb A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/Chapter15_The_AC_motor_control_1.ipynb A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/Chapter16_Faults_and_Protection_1.ipynb A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/Chapter3_Fabrication_and_Thermal_characteristics_1.ipynb A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/Chapter4_Series_and_Parallel_Connection_of_Thyristors_1.ipynb A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/Chapter5_Line_Commutated_converters_1.ipynb A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/Chapter7_Inverter_Circuits_1.ipynb A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/Chapter8_Harmonic_and_PowerFactor_with_the_converter_system_1.ipynb A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/Chapter_2_The_Device__1.ipynb A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/screenshots/11.JPG A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/screenshots/15.JPG A Thyristors_Theory_And_Applications_by_R._K._Sugandhi_And_K._K._Sugandhi/screenshots/8.JPG --- .../Chapter7_Receivers.ipynb | 157 +++++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 Electronic_Communication_by_D._Roddy/Chapter7_Receivers.ipynb (limited to 'Electronic_Communication_by_D._Roddy/Chapter7_Receivers.ipynb') diff --git a/Electronic_Communication_by_D._Roddy/Chapter7_Receivers.ipynb b/Electronic_Communication_by_D._Roddy/Chapter7_Receivers.ipynb new file mode 100644 index 00000000..1cf5b9ae --- /dev/null +++ b/Electronic_Communication_by_D._Roddy/Chapter7_Receivers.ipynb @@ -0,0 +1,157 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter7 Receivers" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 7.3.1,Pg.no.227" + ] + }, + { + "cell_type": "code", + "execution_count": 1, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The freq tuning range is 1005000 Hz to 2055000 Hz\n", + "The tuning range ratio of oscillator is 2 ohm\n", + "The capacitor tuning range ratio of oscillator is 4\n", + "The tuning range ratio of RF−ckt is 2\n", + "The capacitor tuning range ratio of RF−ckt is 4\n" + ] + } + ], + "source": [ + "import math\n", + "fs_min=550*10**3\n", + "fs_max=1600*10**3\n", + "IF=455*10**3 \n", + "#Determination of freq tuning ranges\n", + "fo_min=fs_min+IF\n", + "fo_max=fs_max+IF\n", + "print 'The freq tuning range is',fo_min,'Hz to',fo_max,'Hz'\n", + "Rf=(fo_max)/(fo_min) #calculation of freq tuning range ratio\n", + "print 'The tuning range ratio of oscillator is',Rf,'ohm'\n", + "Rc=Rf**2 #calculation of capacitance tuning range ratio\n", + "print 'The capacitor tuning range ratio of oscillator is',Rc\n", + "#For RF section\n", + "Rf1=fs_max/fs_min;\n", + "print 'The tuning range ratio of RF−ckt is',Rf1\n", + "Rc1=Rf1**2\n", + "print 'The capacitor tuning range ratio of RF−ckt is',Rc1" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 7.4.1,Pg.no.230" + ] + }, + { + "cell_type": "code", + "execution_count": 6, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The Cs min is 84.0 *10^-12 F\n" + ] + } + ], + "source": [ + "import math\n", + "Rco=8.463\n", + "Rfo=2.909\n", + "Rcs=4.182\n", + "Rfo=2.045\n", + "fo_max =2055.0*10**3\n", + "fo_min=1005.0*10**3\n", + "Cs_max=350.0\n", + "#For the RF section\n", + "Cs_min=Cs_max/Rcs\n", + "Cs_min=round(Cs_min,0)\n", + "print 'The Cs min is',Cs_min,'*10^-12','F'" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 7.6.1,Pg.no.234" + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Image freq is 1930.0 Hz\n", + "Image rejection is -36.98\n" + ] + } + ], + "source": [ + "import math\n", + "from math import sqrt\n", + "IF=465.0 #IF in KHz\n", + "fs=1000 #Tuning freq in KHz\n", + "Q=50.0 #Quality factor\n", + "#Oscillator freq fo is given as\n", + "fo=fs+IF;\n", + "#a) Image freq is given as\n", + "fi=fo+IF\n", + "print 'Image freq is',fi,'Hz'\n", + "y=fi/fs-fs/fi\n", + "#b) image rejection is given as\n", + "Ar=1/sqrt(1+(y*Q)**2)\n", + "Ar_dB=20*math.log10(Ar)\n", + "Ar_dB=round(Ar_dB,2)\n", + "print 'Image rejection is',Ar_dB" + ] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python 2", + "language": "python", + "name": "python2" + }, + "language_info": { + "codemirror_mode": { + "name": "ipython", + "version": 2 + }, + "file_extension": ".py", + "mimetype": "text/x-python", + "name": "python", + "nbconvert_exporter": "python", + "pygments_lexer": "ipython2", + "version": "2.7.10" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} -- cgit