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   "source": [
    "# Chapter17 Telephone Systems"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example 17.1.1,Pg.no.641"
   ]
  },
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     "text": [
      "a)The max gain is 44.0 dB\n",
      "b)The max gain is 30 dB\n",
      "c)The amplr gain is 27.0 dB\n"
     ]
    }
   ],
   "source": [
    "import math\n",
    "FTL=50\n",
    "M=12\n",
    "NFL=2*FTL\n",
    "NFLG=(NFL-M)\n",
    "G_max1=NFLG/2\n",
    "G_max1=round(G_max1,1)\n",
    "print 'a)The max gain is',G_max1,'dB' \n",
    "#b) Determination of max gain2 \n",
    "IL=3\n",
    "RLW=20\n",
    "RLE=40\n",
    "NL=(4*IL)+RLW+RLE\n",
    "NLG=(NL-M)\n",
    "G_max2=NLG/2\n",
    "print 'b)The max gain is',G_max2,'dB' \n",
    "#c ) Determination of amplr gain\n",
    "LT=15.0\n",
    "OM=6.0\n",
    "OLW=(RLW-LT)/2\n",
    "OLE=(RLE-LT)/2\n",
    "A=OM+OLW+OLE+(2*IL)\n",
    "print 'c)The amplr gain is',A,'dB'"
   ]
  }
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