From df60071cf1d1c18822d34f943ab8f412a8946b69 Mon Sep 17 00:00:00 2001 From: hardythe1 Date: Wed, 3 Jun 2015 15:27:17 +0530 Subject: add books --- .../Chapter4_2.ipynb | 341 +++++++++++++++++++++ 1 file changed, 341 insertions(+) create mode 100755 Electronic_Instrumentation_and_Measurements/Chapter4_2.ipynb (limited to 'Electronic_Instrumentation_and_Measurements/Chapter4_2.ipynb') diff --git a/Electronic_Instrumentation_and_Measurements/Chapter4_2.ipynb b/Electronic_Instrumentation_and_Measurements/Chapter4_2.ipynb new file mode 100755 index 00000000..a8d94a90 --- /dev/null +++ b/Electronic_Instrumentation_and_Measurements/Chapter4_2.ipynb @@ -0,0 +1,341 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# CHAPTER 4:ANALOG ELECTRONIC VOLT-OHM-MILLIAMMETER" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4-1, Page Number 88" + ] + }, + { + "cell_type": "code", + "execution_count": 1, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "When E=10 V, meter current is 1 mA\n", + "\n", + "Input Impedance,\n", + "with transistor= 1.0 mega ohm\n", + "without transistor= 9.3 kilo ohm\n" + ] + } + ], + "source": [ + "import math\n", + "\n", + "#Variable Declaration\n", + "Vcc=20 #Supply Voltage(V)\n", + "Rsm=9.3*10**3 #Rsm=Rs+Rm(ohm)\n", + "Im=1*10**-3 #Emitter Current(A)\n", + "hfe=100 #Transistor h parameter\n", + "Vb1=0.7 #Base Emitter Voltage drop(V)\n", + "#Calculation\n", + "#To obtain meter current when E=10V\n", + "E=10 #Base input voltage(V)\n", + "Ve=E-Vb1 #Emitter Voltage(V) found using KVL aclong base loop\n", + "Im=Ve/Rsm #Emitter current \n", + "\n", + "#With the transistor\n", + "Ib=Im/hfe #Base current is approximately equlat to Ie/hfe\n", + "Ri=E/Ib #Input resistance with transistor\n", + "\n", + "#Without transistor\n", + "Ri1=Rsm #Input resistance without transistor\n", + "\n", + "#Results\n", + "\n", + "print \"When E=10 V, meter current is\",int(Im*10**3),\"mA\"\n", + "print \n", + "print \"Input Impedance,\"\n", + "print \"with transistor=\",round(Ri/10**6),\"mega ohm\"\n", + "print \"without transistor=\",Ri1/10**3,\"kilo ohm\"\n", + "\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4-2, Page Number 89" + ] + }, + { + "cell_type": "code", + "execution_count": 2, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "When E=0V, I2=I3= 2.9 mA\n", + "When E=1V, meter circuit voltage(V)= 1.0 V\n", + "When E=0.5, meter circuit voltage= 0.5 V\n" + ] + } + ], + "source": [ + "import math\n", + "\n", + "#Variable Declaration\n", + "\n", + "R2=3.9*10**3 #in ohm\n", + "R3=3.9*10**3 #in ohm\n", + "Vcc=12 #in V\n", + "Vee=-12 #in V \n", + "Vbe=0.7 #Base Emitter voltage in V\n", + "\n", + "#Calculation \n", + "\n", + "#When E=0\n", + "E=0 \n", + "Vr2=E-Vbe-Vee #KVL \n", + "Vr3=E-Vbe-Vee #KVL\n", + "I2=Vr2/R2 #Ohm's Law\n", + "I3=I2 \n", + "\n", + "print \"When E=0V, I2=I3=\",round(I3*10**3,1),\"mA\"\n", + "\n", + "#When E=1\n", + "E=1 #in V\n", + "Vp=0 #in V\n", + "Ve1=E-Vbe #KVL\n", + "Ve2=Vp-Vbe #KVL\n", + "V=Ve1-Ve2 #KVL\n", + "print \"When E=1V, meter circuit voltage(V)=\",V,\"V\"\n", + "\n", + "#When E=0.5\n", + "E=0.5 #in V\n", + "Vp=0 #in V\n", + "Ve1=E-Vbe #KVL \n", + "Ve2=Vp-Vbe #KVL\n", + "V=Ve1-Ve2 #KVL \n", + "print \"When E=0.5, meter circuit voltage=\",V,\"V\"\n", + "\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4-3, Page Number: 93" + ] + }, + { + "cell_type": "code", + "execution_count": 6, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Im is 0.75 which is 75.0 % of full scale\n", + "As the meter is in 10V range, 75% of full scale is 7.5 V\n" + ] + } + ], + "source": [ + "import math\n", + "\n", + "#Variable Declaration\n", + "\n", + "E=7.5 #in V\n", + "Vgs=-5 #FET gate source voltage in V\n", + "Vp=5 #in V\n", + "Rsm=1*10**3 #Rs+Rm in ohm\n", + "Im=1*10**-3 #in A\n", + "Ra=800*10**3 #in ohm\n", + "Rb=100*10**3 #in ohm\n", + "Rc=60*10**3 #in ohm\n", + "Rd=40*10**3 #in ohm\n", + "\n", + "Eg=E*(Rc+Rd)/(Ra+Rb+Rc+Rd) #Voltage Divider Rule \n", + "Vs=Eg-Vgs #KVL \n", + "\n", + "Ve1=Vs-Vbe #KVL \n", + "Ve2=Vp-Vbe #KVL\n", + "V=Ve1-Ve2 #KVL\n", + "Im=V/Rsm #Ohm's Law\n", + "\n", + "print \"Im is\",round(Im*10**3,2),\"which is\",round(Im*10**3,2)*100,\"% of full scale\"\n", + "print \"As the meter is in 10V range, 75% of full scale is\",10*0.75,\"V\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4-4, Page Number: 97" + ] + }, + { + "cell_type": "code", + "execution_count": 11, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "R3= 100.0 ohm\n", + "R4= 4.9 kilo ohm\n" + ] + } + ], + "source": [ + "import math\n", + "\n", + "#Variable Declaration\n", + "\n", + "Im=100*10**-6 #Full scale current in A\n", + "Rm=10*10**3 #Meter resistance in ohm \n", + "Ib=0.2*10**-6 #Op-amp input current in A\n", + "E=20*10**-3 #Maximum input in V\n", + "\n", + "#Calculations\n", + "\n", + "I4=1000*Ib #Since I4>>Ib\n", + "Vout=Im*Rm #Ohm's Law \n", + "\n", + "R3=E/I4 #Ohm's Law \n", + "R4=(Vout-E)/I4 #Ohm's Law\n", + "\n", + "#Results\n", + "\n", + "print \"R3=\",R3,\"ohm\"\n", + "print \"R4=\",round(R4*10**-3,1),\"kilo ohm\"\n", + "\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4-5, Page Number: 98" + ] + }, + { + "cell_type": "code", + "execution_count": 12, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "R3= 1.0 kilo Ohm\n", + "Maximum voltage at output terminal= 1.1 V\n" + ] + } + ], + "source": [ + "import math\n", + "\n", + "#Variable Declaration\n", + "E=1.0 #in V\n", + "I=1*10**-3 #in A\n", + "Rm=100 #in ohm\n", + "\n", + "R3=E/I #Ohm's Law\n", + "Vo=I*(R3+Rm) #Maximum Output voltage\n", + "\n", + "print \"R3=\",R3/1000,\"kilo Ohm\"\n", + "print \"Maximum voltage at output terminal=\",round(Vo,1),\"V\"\n", + "\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4-7, Page Number: 107" + ] + }, + { + "cell_type": "code", + "execution_count": 13, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "R3= 45.0 ohm\n", + "When input is 50mV, meter deflection is 0.5 mA(half scale)\n" + ] + } + ], + "source": [ + "import math\n", + "\n", + "#Variable Declaration\n", + "\n", + "Iav=1*10**-3 #in A \n", + "Rm=1.2*10**3 #in ohm\n", + "E=100*10**-3 #in V\n", + "\n", + "#With half wave rectifiers,\n", + "Ip=2*Iav/0.637 #Using relation between Ip and Iav for HWR\n", + "\n", + "#Peak value of Er3=input peak voltage\n", + "Ep=E/0.707 #Relation between peak voltage and rms \n", + "R3=Ep/Ip #in ohm\n", + "print \"R3=\",round(R3),\"ohm\"\n", + "\n", + "#When E=50mV\n", + "E=50*10**-3 #in V\n", + "Ep=E/0.707 #Peak Voltage in V \n", + "Ip=Ep/R3 #Peak current in A \n", + "\n", + "Iav=0.637*Ip/2 #Average Current in A\n", + "\n", + "print \"When input is 50mV, meter deflection is\",round(Iav*10**3,1),\"mA(half scale)\"\n" + ] + } + ], + "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": "2.7.9" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} -- cgit