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diff --git a/sample_notebooks/RaviTeja/Chapter1.ipynb b/sample_notebooks/RaviTeja/Chapter1.ipynb new file mode 100755 index 00000000..e5603984 --- /dev/null +++ b/sample_notebooks/RaviTeja/Chapter1.ipynb @@ -0,0 +1,489 @@ +{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 1 - Electronic Voltmeters"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 1 - pg 1_17"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 1,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "required multiplier resistance (kohm) = 4.3\n"
+ ]
+ }
+ ],
+ "source": [
+ "#Chapter-1,Example1_1,pg 1_17\n",
+ "#calculate the required multiplier resistance\n",
+ "import math\n",
+ "#given\n",
+ "Erms=10.\n",
+ "Rm=200\n",
+ "#calculations\n",
+ "Ep=math.sqrt(2)*Erms\n",
+ "Eav=0.6*Ep\n",
+ "E=Eav/2.\n",
+ "Edc=0.45*Erms\n",
+ "Idc=1*10**-3\n",
+ "Rs=(Edc/Idc)-Rm\n",
+ "#results\n",
+ "print\"required multiplier resistance (kohm) = \",Rs/1000."
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 2 - pg 1_18"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 2,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "required multiplier resistance(kohm) = 4.0\n"
+ ]
+ }
+ ],
+ "source": [
+ "#Chapter-1,Example1_2,pg 1_18\n",
+ "#calculate the required multiplier resistance\n",
+ "#given\n",
+ "Eav=9.\n",
+ "Erms=10.\n",
+ "Rm=500.\n",
+ "Idc=2*10**-3\n",
+ "#calculations\n",
+ "Edc=0.9*Erms\n",
+ "Rs=(Edc/Idc)-Rm\n",
+ "#results\n",
+ "print \"required multiplier resistance(kohm) = \",Rs/1000.\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 3 - pg 1_20"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 3,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "percentage error = -11.0\n"
+ ]
+ }
+ ],
+ "source": [
+ "#Chapter-1,Example1_3,pg 1_20\n",
+ "#calculate the percentage error\n",
+ "#given\n",
+ "Kf=1#Erms=Em for 1 time period\n",
+ "Kf1=1.11#Kf(sine)/Kf(square)\n",
+ "#calculations\n",
+ "pere=(Kf-Kf1)/Kf*100.#percentage error\n",
+ "#results\n",
+ "print\"percentage error = \",pere\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 4 - pg 1_20"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 4,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "percentage error (percent) = 3.87\n"
+ ]
+ }
+ ],
+ "source": [
+ "#Chapter-1,Example1_4,pg 1_20\n",
+ "#calculate the percentage error\n",
+ "import math\n",
+ "import scipy\n",
+ "from scipy import integrate\n",
+ "#given\n",
+ "A=50.\n",
+ "T=2.\n",
+ "Kf2=1.11\n",
+ "#calculations\n",
+ "def f(t):\n",
+ "\tE=(50*t)**2#e=At(ramp function)\n",
+ "\treturn E\n",
+ "\n",
+ "\n",
+ "I=scipy.integrate.quad(f,0,T)\n",
+ "\n",
+ "Erms=math.sqrt((1./T)*I[0])\n",
+ "def f1(t):\n",
+ "\te=50*t#e=At(ramp function)\n",
+ "\treturn e\n",
+ "\n",
+ "\n",
+ "I1=scipy.integrate.quad(f1,0,T)\n",
+ "Eav=(1./T)*I1[0]\n",
+ "Kf=Erms/Eav\n",
+ "kfr=Kf2/Kf #Kf(sine)/Kf(sawtooth)\n",
+ "pere=(1-kfr)/1*100#percentage error\n",
+ "#results\n",
+ "print\"percentage error (percent) = \",round(pere,2)"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 5 - pg 1_27"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 5,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "total meter resistance (ohm) = 6100.0\n"
+ ]
+ }
+ ],
+ "source": [
+ "#Chapter-1,Example1_5,pg 1_27\n",
+ "#calculate the total meter resistance\n",
+ "#given\n",
+ "Idc=25*10**-3\n",
+ "Erms=200.\n",
+ "Rm=100.\n",
+ "Rf=500.\n",
+ "#calculations\n",
+ "Rd=2*Rf\n",
+ "Rm1=Rm+Rd#total meter resistance\n",
+ "Rs=(0.9*Erms)/Idc-Rm1\n",
+ "#results\n",
+ "print \"total meter resistance (ohm) = \",Rs\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 6 - pg 1_38"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 6,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "meter current (mA) = 5.99\n"
+ ]
+ }
+ ],
+ "source": [
+ "#Chapter-1,Example1_6,pg 1_38\n",
+ "#calculate the meter current\n",
+ "#given\n",
+ "V1=2.\n",
+ "Rm=50.\n",
+ "Rd=15.*10**3\n",
+ "gm=0.006\n",
+ "rd=100*10**3\n",
+ "#calculations\n",
+ "Im=(gm*rd*Rd/(rd+Rd)*V1)/((2*(rd*Rd/(rd+Rd))+Rm))\n",
+ "#results\n",
+ "print \"meter current (mA) = \",round(Im*1000.,2)\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 7 - pg 1_38"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 7,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "meter current (mA) = 3.0\n"
+ ]
+ }
+ ],
+ "source": [
+ "#Chapter-1,Example1_7,pg 1_38\n",
+ "#calculate the meter current\n",
+ "#given\n",
+ "V1=1\n",
+ "Rm=50\n",
+ "Rd=15*10**3\n",
+ "gm=0.006\n",
+ "rd=100*10**3\n",
+ "#calculations\n",
+ "Im=(gm*rd*Rd/(rd+Rd)*V1)/((2*(rd*Rd/(rd+Rd))+Rm))\n",
+ "#results\n",
+ "print \"meter current (mA) = \",round(Im*1000.,1)\n",
+ "\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 8 - pg 1_39"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 8,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "resistance values are\n",
+ "R1 (Mohm) = 8.7\n",
+ "R2 (kohm) = 120.0\n",
+ "R3 (kohm) = 90.0\n",
+ "R4 (kohm) = 90.0\n"
+ ]
+ }
+ ],
+ "source": [
+ "#Chapter-1,Example1_8,pg 1_39\n",
+ "#calculate the resistance values\n",
+ "#given\n",
+ "V1=1.\n",
+ "Vin=30.\n",
+ "Rin=9.*10**6\n",
+ "#calcuations\n",
+ "R4=Rin/100.#for Vin=100V\n",
+ "R3=(Rin-50*R4)/50#for Vin=50V\n",
+ "R2=(Rin-30*R3-30*R4)/30#for Vin=30V\n",
+ "R1=Rin-R2-R3-R4\n",
+ "#results\n",
+ "print \"resistance values are\"\n",
+ "print \"R1 (Mohm) = \",round(R1/10**6,1)\n",
+ "print \"R2 (kohm) = \",round(R2/10**3,1)\n",
+ "print \"R3 (kohm) = \",round(R3/10**3,1)\n",
+ "print \"R4 (kohm) = \",round(R4/10**3,1)\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 9 - pg 1_40"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 9,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "current Im (mA) = 0.3896\n",
+ "series resistance (kohm) = 7.042\n"
+ ]
+ }
+ ],
+ "source": [
+ "#Chapter-1,Example1_9,pg 1_40\n",
+ "#calculate the current, series resistance\n",
+ "#given\n",
+ "rd=10*10**3\n",
+ "gm=0.003\n",
+ "Rs=15*10**3\n",
+ "V1=1#input voltage\n",
+ "Rm=1800.\n",
+ "Img=0.1*10**-3#meter current given\n",
+ "#calculations\n",
+ "rdf=rd/(1+gm*rd)#actual rd\n",
+ "Vo=(gm*rdf*Rs)*V1/(rdf+Rs)\n",
+ "Rth=(2*Rs*rdf/(Rs+rdf))\n",
+ "Im=Vo/(Rth+Rm)\n",
+ "Rf=(Vo/Img)-Rth-Rm#series resistance\n",
+ "#results\n",
+ "print \"current Im (mA) = \",round(Im*1000.,4)\n",
+ "print \"series resistance (kohm) = \",round(Rf/10**3,3)\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 10 - pg 1_41"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 10,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "calibration resistance (kohm) = 18.4\n"
+ ]
+ }
+ ],
+ "source": [
+ "#Chapter-1,Example1_10,pg 1_41\n",
+ "#calculate the calibration resistance\n",
+ "#given\n",
+ "rd=200.*10**3\n",
+ "gm=0.004\n",
+ "Rs=40.*10**3\n",
+ "Rm=1000.\n",
+ "V1=1\n",
+ "#calculations\n",
+ "rdf=rd/(1+gm*rd)#actual rd\n",
+ "Rth=(2*Rs*rdf/(Rs+rdf))\n",
+ "Vo=(gm*rdf*Rs)*V1/(rdf+Rs)\n",
+ "Im=50*10**-6\n",
+ "Rcal=(Vo/Im)-Rth-Rm#calibration resistance\n",
+ "#results\n",
+ "print \"calibration resistance (kohm) = \",round(Rcal/1000.,1)\n"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 11 - pg 1_42"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 11,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "Resistances are \n",
+ "R1(kohm) = 666.67\n",
+ "R2(kohm) = 300.0\n",
+ "R3(kohm) = 23.33\n",
+ "R4(kohm) = 10.0\n"
+ ]
+ }
+ ],
+ "source": [
+ "#Chapter-1,Example1_11,pg 1_42\n",
+ "#calculate the resistances\n",
+ "#given\n",
+ "Vin=3.\n",
+ "V1=1.\n",
+ "Rin=1.*10**6#input resistance of FET\n",
+ "#calculations\n",
+ "R4=Rin/100.#for Vin=100V\n",
+ "R3=(Rin-30*R4)/30.#for Vin=30V\n",
+ "R2=(Rin-3*R3-3*R4)/3.#for Vin=3V\n",
+ "R1=Rin-R2-R3-R4\n",
+ "#results\n",
+ "print \"Resistances are \"\n",
+ "print \"R1(kohm) = \",round(R1/1000.,2)\n",
+ "print \"R2(kohm) = \",round(R2/1000.,0)\n",
+ "print \"R3(kohm) = \",round(R3/1000.,2)\n",
+ "print \"R4(kohm) = \",round(R4/1000.,0)\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
+}
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