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	   "source": [
       "# Chapter 14: Phase Locked Loops"
	   ]
	},
{
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		   "metadata": {},
		   "source": [
			"## Example 14.1: Free_running_frequency_and_Lock_range.sce"
		   ]
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"source": [
"// Exa 14.1\n",
"clc;\n",
"clear;\n",
"close;\n",
"// Given data\n",
"R_T = 10;// in k ohm\n",
"R_T = R_T * 10^3;// in ohm\n",
"C_T = 0.005;// in µF\n",
"C_T = C_T * 10^-6;// in F\n",
"C=10*10^-6;// in F\n",
"f_out = 0.25/(R_T*C_T);// in Hz\n",
"disp('Free Running frequency is : '+string(f_out*10^-3)+' kHz');\n",
"// Part (ii)\n",
"V=20;// in V\n",
"f_L= 8*f_out/V;// in Hz\n",
"disp('Lock range in kHz is : ±'+string(f_L*10^-3)+' kHz')\n",
"// Part (iii)\n",
"f_C= sqrt(f_L/(2*%pi*3.6*10^3*C));// in Hz\n",
"disp('Capture range is :  ±'+string(f_C)+' Hz')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 14.2: Frequency_and_number_of_bits.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
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"source": [
"// Exa 14.2\n",
"clc;\n",
"clear;\n",
"close;\n",
"// Given data\n",
"f_out_max = 200;// in kHz\n",
"f_out_min = 4;// in Hz\n",
"f_CLK = 2.2*f_out_max;// in kHz\n",
"disp(f_CLK,'Frequency of reference oscillation in kHz is');\n",
"f_CLK= f_CLK*10^3;// in Hz\n",
"// Formula f_out_min= f_CLK/2^n\n",
"n=log(f_CLK/f_out_min)/log(2);\n",
"disp(round(n),'The number of bits required in the phase accumulator is : ')"
   ]
   }
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			{
			 "text": "MetaKernel Magics",
			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
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