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Diffstat (limited to 'backup/temp_version_backup/chapter13.ipynb')
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1 files changed, 0 insertions, 339 deletions
diff --git a/backup/temp_version_backup/chapter13.ipynb b/backup/temp_version_backup/chapter13.ipynb deleted file mode 100755 index de1fc475..00000000 --- a/backup/temp_version_backup/chapter13.ipynb +++ /dev/null @@ -1,339 +0,0 @@ -{
- "metadata": {
- "name": "",
- "signature": "sha256:4be2df010e0c0a454b43a2b1267f5b9f24594cfd973fe52088cb80f0e511082b"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 13 Transmission lines"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 13.1 Page no 483"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "f= 450.0*10**6\n",
- "\n",
- "#Calculation\n",
- "lamda = 984/f\n",
- "len =0.1*lamda\n",
- "\n",
- "#Result\n",
- "print\"feet long conductors would be considered as the transmission line \",round(len*10**6,3),\"ft\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "feet long conductors would be considered as the transmission line 0.219 ft\n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 13.2 Page no 484"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "lamda = 2.19\n",
- "\n",
- "#Calculation\n",
- "len = (3/8.0)*lamda\n",
- "\n",
- "#Result\n",
- "print\"The pyhsical length of the transmission line \",round(len,2),\"feet\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The pyhsical length of the transmission line 0.82 feet\n"
- ]
- }
- ],
- "prompt_number": 4
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 13.3 Page no 492"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "len = 165\n",
- "attn_100ft = 5.3\n",
- "pin = 100\n",
- "attn_ft = 5.3/100.0\n",
- "\n",
- "#Calculation\n",
- "total_attn = attn_ft * len\n",
- "pout = pin *0.1335\n",
- "\n",
- "#Result\n",
- "print\"The total attenuation of the cable is \",total_attn,\"dB\"\n",
- "print\"Output power is \",pout,\"W\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The total attenuation of the cable is 8.745 dB\n",
- "Output power is 13.35 W\n"
- ]
- }
- ],
- "prompt_number": 5
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 13.4 Page no 494"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "len =150\n",
- "C =13.5\n",
- "Z0 =93\n",
- "f =2.5*10**6\n",
- "attn_100ft =2.8\n",
- "\n",
- "#Calculation\n",
- "L =C*Z0**2\n",
- "td =(L*C)**0.5\n",
- "theta = ((360)*188.3)/(1/f)\n",
- "attn_ft = attn_100ft/100.0\n",
- "total_attn = attn_ft*150\n",
- "\n",
- "print\"(a) The load impedance required to terminate the the line to avoid the reflections is %d ohm\",Z0\n",
- "print\"(b) The equivalent inductance per feet is \",L/10**3,\"nh\"\n",
- "print\"(c) The time delay introduced by the cable per feet is \",td/10**3,\"ns\"\n",
- "print\"(d) The phase shift occurs in degrees for the 2.5 Mhz sine wave is \",theta/10**9\n",
- "print\"(e) The total attenuation is \",total_attn,\"db\"\n",
- "\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "(a) The load impedance required to terminate the the line to avoid the reflections is %d ohm 93\n",
- "(b) The equivalent inductance per feet is 116.7615 nh\n",
- "(c) The time delay introduced by the cable per feet is 1.2555 ns\n",
- "(d) The phase shift occurs in degrees for the 2.5 Mhz sine wave is 169.47\n",
- "(e) The total attenuation is 4.2 db\n"
- ]
- }
- ],
- "prompt_number": 7
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 13.5 Page no 501"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "vmax= 52.0\n",
- "vmin= 17.0\n",
- "Z0 = 75\n",
- "\n",
- "#calculation\n",
- "SWR = vmax/vmin\n",
- "ref_coeff = (vmax-vmin)/(vmax+vmin)\n",
- "Zl1 = Z0*SWR\n",
- "Zl2 = Z0/SWR\n",
- "\n",
- "#Result\n",
- "print\"(a) The standing wave ratio is \",round(SWR,2)\n",
- "print\"(b) Reflection coefficient is \",round(ref_coeff,2)\n",
- "print\"The value of resistive load is \",round(Zl1,2),\"ohm or\",round(Zl2,2),\"ohm\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "(a) The standing wave ratio is 3.06\n",
- "(b) Reflection coefficient is 0.51\n",
- "The value of resistive load is 229.41 ohm or 24.52 ohm\n"
- ]
- }
- ],
- "prompt_number": 7
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 13.6 Page no 503"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "SWR =3.05\n",
- "ref_pwr =0.2562\n",
- "pin =30\n",
- "\n",
- "#calculation\n",
- "pout = pin -(pin*((SWR-1)/(SWR+1))**2)\n",
- "\n",
- "#Result\n",
- "print\"The output power of the cable is \",round(pout,3),\"W\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The output power of the cable is 22.314 W\n"
- ]
- }
- ],
- "prompt_number": 9
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 13.7 Page no 508"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "C =4*10**-12\n",
- "f =800*10**6\n",
- "diele = 3.5\n",
- "h = 0.0625\n",
- "w = 0.13\n",
- "t = 0.002\n",
- "\n",
- "#Calculation\n",
- "import math\n",
- "Z0 = 38.8*math.log(0.374/0.106)\n",
- "Xc = 1/(6.28*f*C)\n",
- "\n",
- "#Result\n",
- "print\"The charecteristics impedance of the transmission line is \",round(Z0,1),\"ohm\"\n",
- "print\"The reactance of the capacitor is \",round(Xc,2),\"ohm\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The charecteristics impedance of the transmission line is 48.9 ohm\n",
- "The reactance of the capacitor is 49.76 ohm\n"
- ]
- }
- ],
- "prompt_number": 13
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 13.8 Page no 508"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Given\n",
- "lamda = (984/800.0)\n",
- "lamda_8 =lamda/8.0\n",
- "\n",
- "#Calculation\n",
- "len = lamda_8*12*(1/3.6**0.5)\n",
- "\n",
- "#Result\n",
- "print\"The length of the transmission line is \",round(len,3),\"inch\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The length of the transmission line is 0.972 inch\n"
- ]
- }
- ],
- "prompt_number": 1
- }
- ],
- "metadata": {}
- }
- ]
-}
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