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+  "name": "",

+  "signature": "sha256:713321f65fd84ba9c4674fa3873dd2848da0b4de310a07717d67fbc6a52c86ad"

+ },

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+ "nbformat_minor": 0,

+ "worksheets": [

+  {

+   "cells": [

+    {

+     "cell_type": "heading",

+     "level": 1,

+     "metadata": {},

+     "source": [

+      "Chapter 1 - PULSE FUNDAMENTALS "

+     ]

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E1 - Pg 9"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Caption:Find (a)Pulse amplitude (b)PRF (c)PW (d)Duty cycle and (e)M/S ratio\n",

+      "v=1.#Vertical scale(Volt per division)\n",

+      "h=0.1#Horizontal scale(Milli sec per division)\n",

+      "pv=3.5#Amplitude of pulse in divisions\n",

+      "t=6.#Time in divisions\n",

+      "pw=2.5#Width of pulse\n",

+      "P=pv*v\n",

+      "print '%s %.1f' %('(a)Pulse Amplitude (in volts)=',P)\n",

+      "T=t*h\n",

+      "prf=(1/T)*1000\n",

+      "print '%s %.f' %('(b)PRF(in pps)=',prf)\n",

+      "p=pw*h\n",

+      "print '%s %.2f' %('(c)PW (in ms)=',p)\n",

+      "sw=pv*h\n",

+      "d=(p/T)*100\n",

+      "print '%s %.1f' %('(d)Duty cycle(in %)=',d)\n",

+      "m=p/sw\n",

+      "print '%s %.2f' %('(e)M/S ratio=',m)"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "(a)Pulse Amplitude (in volts)= 3.5\n",

+        "(b)PRF(in pps)= 1667\n",

+        "(c)PW (in ms)= 0.25\n",

+        "(d)Duty cycle(in %)= 41.7\n",

+        "(e)M/S ratio= 0.71\n"

+       ]

+      }

+     ],

+     "prompt_number": 1

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E2 - Pg 12"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Caption:Determine (a)Pulse amplitude,tilt,rise time,fall time,PW,PRF,mark to space ratio,and duty cycle (b)tilt\n",

+      "vs=100.#Vertical scale(in mv/divisions)\n",

+      "hs=100.#Horizontal scale(in micro sec/division)\n",

+      "e1=380.#first peak of waveform(in mv)\n",

+      "e2=350.#second peak of waveform(in mv)\n",

+      "E=(e1+e2)/2.\n",

+      "t=(e1-e2)*100./E\n",

+      "tr=0.3*hs\n",

+      "tf=0.4*hs\n",

+      "T=5.*hs\n",

+      "prf=10.**6./T\n",

+      "pw=2.2*hs\n",

+      "sw=2.8*hs\n",

+      "ms=pw/sw\n",

+      "dc=(pw*100.)/T\n",

+      "print '%s %.f'%('(a)Pulse Amplitude(in mv)=',E)\n",

+      "print '%s %.1f'%('(a)tilt(in %)',t)\n",

+      "print '%s %.f'%('(a)rise time(in micro sec)=',tr)\n",

+      "print '%s %.f'%('(a)fall time(in micro sec)=',tf)\n",

+      "print '%s %.f'%('(a)PW(in micro sec)=',pw)\n",

+      "print '%s %.f'%('(a)PRF(in pps)=',prf)\n",

+      "print '%s %.2f'%('(a)M/s ratio=',ms)\n",

+      "print '%s %.f' %('(a)Duty cycle(in %)=',dc)\n",

+      "eb=0.5*vs\n",

+      "ee=2.25*vs\n",

+      "tb=eb*100./ee\n",

+      "print '%s %.1f' %('(b)Tilt(in %)=',tb)\n"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "(a)Pulse Amplitude(in mv)= 365\n",

+        "(a)tilt(in %) 8.2\n",

+        "(a)rise time(in micro sec)= 30\n",

+        "(a)fall time(in micro sec)= 40\n",

+        "(a)PW(in micro sec)= 220\n",

+        "(a)PRF(in pps)= 2000\n",

+        "(a)M/s ratio= 0.79\n",

+        "(a)Duty cycle(in %)= 44\n",

+        "(b)Tilt(in %)= 22.2\n"

+       ]

+      }

+     ],

+     "prompt_number": 3

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E3 - Pg 15"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Caption:Determine average voltage level\n",

+      "vs=2.#Vertical scale(V/div)\n",

+      "hs=1.#Horizontal scale(ms/div)\n",

+      "v1=8.#Amplitude of signal in (+)ve direction (in volts)\n",

+      "v2=-1.#Amplitude of signal in (-)ve direction (in volts)\n",

+      "t1=0.8#Horizontal divisions for v1\n",

+      "t2=2.2#Horizontal divisions for v2\n",

+      "T=3.*hs\n",

+      "T1=t1*hs\n",

+      "T2=t2*hs\n",

+      "Va=((T1*v1)+(T2*v2))/T\n",

+      "print '%s %.1f' %('Average voltage (in volts)=',Va)"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Average voltage (in volts)= 1.4\n"

+       ]

+      }

+     ],

+     "prompt_number": 3

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E4 - Pg 20"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Caption:Determine the upper 3db frequency of the amplifier\n",

+      "tr=1.#Rise time(in micro sec)\n",

+      "fu=0.35*10**3/tr\n",

+      "print '%s %.f' %('The upper 3db frequency of the amplifier(in khertz)=',fu)"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "The upper 3db frequency of the amplifier(in khertz)= 350\n"

+       ]

+      }

+     ],

+     "prompt_number": 4

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E5 - Pg 21"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Caption:Determine (a)Minimum upper cut frequency (b)Minimum pulse width and duty cycle\n",

+      "prf=1.5#in Khz\n",

+      "dc=3.#Duty cycle(in %)\n",

+      "pa=1.5#Amplitude of pulse(in Khz)\n",

+      "fu=1.#High frequency limit(in Mhz)\n",

+      "tr=10.#Rise time(in %)\n",

+      "pw=(dc/100.)*10.**6./pa\n",

+      "Tr=(tr/100.)*pw\n",

+      "fh=0.35*10.**6./Tr\n",

+      "print '%s %.f' %('(a)Minimum upper cut frequency(in hertz)=',fh)\n",

+      "Tr2=0.35*10.**(-6.)/fu\n",

+      "Pw=10.*Tr2\n",

+      "dc=Pw*100.*(pa*1000.)\n",

+      "print '%s %.7f' %('(b)Pulse width(in sec)=',Pw)\n",

+      "print '%s %.1f' %('(b)Duty cycle(in %)=',dc)"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "(a)Minimum upper cut frequency(in hertz)= 175\n",

+        "(b)Pulse width(in sec) and Duty cycle(in %)= 0.0000035\n",

+        "(b)Duty cycle(in %)= 0.5\n"

+       ]

+      }

+     ],

+     "prompt_number": 14

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E6 - Pg 22"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Caption:Calculate (a)Rise time in output waveform (b)Minimum upper cut off frequency and print '%s %.2f' %layed rise time\n",

+      "import math\n",

+      "tr=10.#Rise time of input waveform(in micro sec)\n",

+      "fu=350.#Upper cut off frequency(in KHz)\n",

+      "ti=100.#Input rise time(in ns)\n",

+      "trc=0.35*(10.**(-3.))/350.\n",

+      "tro=math.sqrt(((tr)*(10.**(-6.)))**2.+(trc**2.))*10.**6.\n",

+      "print '%s %.2f' %('(a)Rise Time(in Micro sec)=',tro)\n",

+      "tc=ti*(10.**(-9.))/3.\n",

+      "fh=0.35*10.**(-6.)/tc\n",

+      "Tro=math.sqrt((ti*(10.**(-9.)))**2.+(tc**2.))*10.**9.\n",

+      "print '%s %.1f' %('(b)Minimum upper cut off frequency(in Mhz)=',fh)\n",

+      "print '%s %.f' %('(b)rise time(in ns)=',Tro)"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "(a)Rise Time(in Micro sec)= 10.05\n",

+        "(b)Minimum upper cut off frequency(in Mhz)= 10.5\n",

+        "(b)rise time(in ns)= 105\n"

+       ]

+      }

+     ],

+     "prompt_number": 16

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E7 - Pg 23"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Caption:Calculate lowest input frequency \n",

+      "import math\n",

+      "fl=10.#Lower cutoff frequency(in hertz)\n",

+      "t=0.02#Tilt on output waveform\n",

+      "f=math.pi*fl/(t*1000)\n",

+      "print '%s %.2f' %('Lowest input frequency(in Khz)=',f)\n"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Lowest input frequency(in Khz)= 1.57\n"

+       ]

+      }

+     ],

+     "prompt_number": 17

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E8 - Pg 23"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Caption:Determine (a)upper cutoff frequency (b)lower cutoff frequency\n",

+      "import math\n",

+      "f=1.#frequency of square wave(in khz)\n",

+      "tr=200.#rise time of output(in ns)\n",

+      "t=0.03#fractional tilt\n",

+      "fh=0.35*10.**3./tr\n",

+      "print '%s %.2f' %('(a)upper cutoff frequency(in MHz)=',fh) \n",

+      "fl=f*t*1000./math.pi\n",

+      "print '%s %.1f' %('(b)Lower cutoff frequency(in Hz)=',fl)"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "(a)upper cutoff frequency(in MHz)= 1.75\n",

+        "(b)Lower cutoff frequency(in Hz)= 9.5\n"

+       ]

+      }

+     ],

+     "prompt_number": 19

+    },

+    {

+     "cell_type": "heading",

+     "level": 2,

+     "metadata": {},

+     "source": [

+      "Example E9 - Pg 24"

+     ]

+    },

+    {

+     "cell_type": "code",

+     "collapsed": false,

+     "input": [

+      "#Caption:Determine upper and lower Frequencies\n",

+      "import math\n",

+      "tr=30.#Rise time(in micro sec)\n",

+      "PRF=2000.#Pulse repetition Frequency(in pps)\n",

+      "t=0.082#Tilt(in %)\n",

+      "Pw=220.#Pulse width(in micro sec)\n",

+      "fh=0.35*10.**(3.)/tr\n",

+      "fl=t*10.**6./(2.*math.pi*Pw)\n",

+      "print '%s %.2f' %('Upper frequency(in kHz)=',fh)\n",

+      "print '%s %.1f' %('lower frequency(in Hz)=',fl)\n"

+     ],

+     "language": "python",

+     "metadata": {},

+     "outputs": [

+      {

+       "output_type": "stream",

+       "stream": "stdout",

+       "text": [

+        "Upper frequency(in kHz)= 11.67\n",

+        "lower frequency(in Hz)= 59.3\n"

+       ]

+      }

+     ],

+     "prompt_number": 21

+    }

+   ],

+   "metadata": {}

+  }

+ ]

+}
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