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-{
- "metadata": {
- "name": "",
- "signature": "sha256:290842fdc6ea6a5700afb55423870096fe232348d5b6bc5d485c1317a3af57b3"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter9 - Cathode Ray Oscilloscope"
- ]
- },
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Example 9.14.1 - page : 9-45"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# peak to peak voltage and rms voltage\n",
- "vdv=1 # V/div\n",
- "n=6.8 #no. of divisions\n",
- "Vpp=vdv*n #peak to peak voltage in V\n",
- "vrms=Vpp/(2*(2)**(1.0/2)) #rms voltage in V\n",
- "print \"Peak to peak voltage is \",Vpp,\" V\"\n",
- "print \"rms voltage is \",round(vrms,4),\" V\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Peak to peak voltage is 6.8 V\n",
- "rms voltage is 2.4042 V\n"
- ]
- }
- ],
- "prompt_number": 3
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9.14.2 - page : 9-46"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Time interval\n",
- "vdv=2 # V per division in micro seconds/div\n",
- "n=2 #no. of divisions\n",
- "Tint=vdv*n #peak to peak voltage in V\n",
- "print \"Time interval is \",Tint,\" micro seconds\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Time interval is 4 micro seconds\n"
- ]
- }
- ],
- "prompt_number": 4
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9.14.3 - page : 9-46"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# period and frequency\n",
- "vdv=2 #volts per division in micro seconds/div\n",
- "n=12 #no. of divisions\n",
- "Tp=vdv*n # period in micro seconds\n",
- "f=1/(Tp*10**-3) #frequency in kHz\n",
- "print \"Period is \",Tp,\" micro seconds\"\n",
- "print \"Frequency is \",round(f,2),\" kHz\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Period is 24 micro seconds\n",
- "Frequency is 41.67 kHz\n"
- ]
- }
- ],
- "prompt_number": 6
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9.14.4 - page : 9-47"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Peak to peak voltage and frequency\n",
- "vdv1=0.5 #volts per division in V/div\n",
- "nv=3 #no. of divisions\n",
- "nh=4 #numbers of horizontal divisions\n",
- "Vpp=vdv1*nv #peak to peak voltage in V\n",
- "vdv2=2 # time division in micro seconds per divisions\n",
- "Tp=vdv2*nh # period in micro seconds\n",
- "f=1/(Tp*10**-3) #frequency in kHz\n",
- "print \"Peak to peak voltage is \",Vpp,\" V\"\n",
- "print \"Period is \",Tp,\" micro seconds\"\n",
- "print \"Frequency is \",f,\" kHz\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Peak to peak voltage is 1.5 V\n",
- "Period is 8 micro seconds\n",
- "Frequency is 125.0 kHz\n"
- ]
- }
- ],
- "prompt_number": 7
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9.17.1 - page : 9-67"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#bandwidth\n",
- "#given data :\n",
- "Trs=12 #in micro sec\n",
- "Trd=15 #in micro sec\n",
- "Tro=(Trd**2-Trs**2)**(1.0/2) \n",
- "K=0.35 # constant\n",
- "BW=(K/Tro)*10**3 \n",
- "print \"Bandwidth, BW =\",round(BW,2), \" kHz\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Bandwidth, BW = 38.89 kHz\n"
- ]
- }
- ],
- "prompt_number": 9
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9.17.2 - page : 9-68"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Rise time\n",
- "#given data :\n",
- "BW=10*10**6 # in Hz\n",
- "tr=(0.35/BW)*10**9 \n",
- "print \"Rise time, tr = \",tr, \" ns\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Rise time, tr = 35.0 ns\n"
- ]
- }
- ],
- "prompt_number": 10
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9.17.3 - page : 9-68"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# rise time\n",
- "#given data :\n",
- "Tro=10 #in micro sec\n",
- "Trd=13 #in micro sec\n",
- "Trs=(Trd**2-Tro**2)**(1.0/2) \n",
- "print \"Actual rise time, Trs = \",round(Trs,2),\" ns\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Actual rise time, Trs = 8.31 ns\n"
- ]
- }
- ],
- "prompt_number": 12
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9.17.4 - page : 9-68"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# Rise time\n",
- "#given data :\n",
- "Tro=10 #in micro sec\n",
- "Trd=15 #in micro sec\n",
- "Trs=(Trd**2-Tro**2)**(1.0/2)\n",
- "print \"Actual rise time, Trs = \",round(Trs,2),\" ns\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Actual rise time, Trs = 11.18 ns\n"
- ]
- }
- ],
- "prompt_number": 14
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9.17.5 - page : 9-68"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# Rise time\n",
- "#given data :\n",
- "Trs=12 #in micro sec\n",
- "Trd=30 #in micro sec\n",
- "BW=20*10**6 # in Hz\n",
- "K=0.35 # constant\n",
- "Tro=(K/BW)*10**9 \n",
- "Trs=(Trd**2-Tro**2)**(1.0/2)\n",
- "print \"Actual rise time, Trs = \",round(Trs,2),\" ns\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Actual rise time, Trs = 24.37 ns\n"
- ]
- }
- ],
- "prompt_number": 16
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9.17.6 - page : 9-69"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# capacitance\n",
- "#given data :\n",
- "K=10 # constant\n",
- "C2=35*10**-12 \n",
- "C1=(C2/(K-1))*10**12 \n",
- "print \"Capacitance, C1 = \",round(C1,2),\" pF\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Capacitance, C1 = 3.89 pF\n"
- ]
- }
- ],
- "prompt_number": 18
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9.17.7 - page : 9-69"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# impedance of CRO\n",
- "K=10 \n",
- "vin=1 #vpp \n",
- "vout=0.1 #in vpp\n",
- "c1=2 # in pF\n",
- "c2=c1*(K-1) #CAPACITANCE IN Pf\n",
- "print \"Capacitance is \",c2,\" pF\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Capacitance is 18 pF\n"
- ]
- }
- ],
- "prompt_number": 19
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9.17.8 - page : 9-70"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# sensivity\n",
- "n=2 #divisions\n",
- "f=50.0 #in MHz\n",
- "t=(1/f)*10**3 #time in nanao seconds\n",
- "mdv=t/4 #in ns/div\n",
- "mtds=mdv*n # in ns/div\n",
- "print \"Minimum time/div is \",mdv,\" ns/div\"\n",
- "print \"Minimum time/div setting is \",mtds,\" ns/div\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Minimum time/div is 5.0 ns/div\n",
- "Minimum time/div setting is 10.0 ns/div\n"
- ]
- }
- ],
- "prompt_number": 21
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9.17.9 - page : 9-70"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "# rise time\n",
- "#given data :\n",
- "Trs=21 #in micro-sec\n",
- "K=0.35 # constant\n",
- "BW=50*10**6 # in Hz\n",
- "Tro=(K/BW)*10**9 \n",
- "Trd=(Trs**2+Tro**2)**(1.0/2)\n",
- "print \"Rise time, Tro = \",round(Trd,0),\" ns\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Rise time, Tro = 22.0 ns\n"
- ]
- }
- ],
- "prompt_number": 24
- }
- ],
- "metadata": {}
- }
- ]
-} \ No newline at end of file
generated by cgit (git 2.34.1) at 2024-12-20 07:36:36 +0000