{
"cells": [
 {
		   "cell_type": "markdown",
	   "metadata": {},
	   "source": [
       "# Chapter 6: data converters"
	   ]
	},
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 6.10: Find_input_voltage.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//caption:Find input voltage\n",
"//Ex6.10\n",
"clc\n",
"clear\n",
"close\n",
"Vref=5//reference voltage(in V)\n",
"t1=0.2//coumts when input voltage is applied(in sec)\n",
"R=100*10^3//resistance(in ohm)\n",
"C=10^-6//capacitance(in F)\n",
"t2=R*C\n",
"Vin=(t2/t1)*Vref\n",
"disp(Vin,'input voltage(in V)=')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 6.11: Find_a_output_voltage_after_1_sec_b_fall_time_of_reference_voltage_waveform.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//caption:Find(a)output voltage after 1 sec(b)fall time of reference voltage waveform\n",
"//Ex6.11\n",
"clc\n",
"clear\n",
"close\n",
"R=100000//resistance of DVM(in ohm)\n",
"C=10^-6//capacitance(in F)\n",
"Vin=1//input voltage(in V)\n",
"t1=1//rise time of reference voltage waveform at output of integrator(in second)\n",
"Vref=5//reference voltage(in V)\n",
"Vo=Vin*(t1/(R*C))\n",
"disp(Vo,'(a)output voltage after 1sec(in V)=')\n",
"t2=(Vin/Vref)*t1\n",
"disp(t2,'(b)fall time reference voltage waveform(in second)=')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 6.1: Find_output_voltage_for_a_binary_input_a_1111_b_1100.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//caption:Find output voltage for a binary input(a)1111(b)1100\n",
"//Ex6.1\n",
"clc\n",
"clear\n",
"close\n",
"N=4//bit of D/A convertor\n",
"Rlsb=16//resistance at LSB position(in kilo ohm)\n",
"Vref=5//reference voltage(in V)\n",
"Ro=1//feedback resistance(in kilo ohm)\n",
"R=Rlsb/(2^(N-1))\n",
"Va=-(Ro/R)*Vref*(2^0*1+2^-1*1+2^-2*1+2^-3*1)\n",
"disp(Va,'(a)output voltage(in V)=')\n",
"Vb=-(Ro/R)*Vref*(2^0*1+2^-1*1+2^-2*0+2^-3*0)\n",
"disp(Vb,'(b)output voltage(in V)=')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 6.2: Find_output_voltage.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//caption:Find output voltage\n",
"//Ex6.2\n",
"clc\n",
"clear\n",
"close\n",
"Lo=0//input voltage logic0(in V)\n",
"L1=20//input voltage logic1(in V)\n",
"V1msb=L1/2\n",
"V2msb=L1/4\n",
"V3msb=L1/8\n",
"V4msb=L1/16\n",
"Va=V1msb+V2msb+V3msb+V4msb\n",
"disp(Va,'output voltage(in V)=')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 6.3: Find_output_voltage_if_input_is_101101111.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//caption:Find output voltage if input is 101101111\n",
"//Ex6.3\n",
"clc\n",
"clear\n",
"close\n",
"V=10.3*10^-3//input voltage of DAC convertor(in V)\n",
"Vo=(V)*(1*2^8+0*2^7+1*2^6+1*2^5+0*2^4+1*2^3+1*2^2+1*2^1+1*2^0)\n",
"disp(Vo,'output voltage(in V)=')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 6.4: Find_values_of_a_LSB_b_MSB_c_full_scale_output.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//caption:Find values of(a)LSB(b)MSB(c)full scale output\n",
"//Ex6.4\n",
"clc\n",
"clear\n",
"close\n",
"N=8//bit of the DAC convertor\n",
"Rmin=0//minimum range(in V)\n",
"Rmax=10//maximum range(in V)\n",
"LS=1/(2^N)\n",
"LSB=Rmax*LS\n",
"disp(LSB,'(a)LSB(in V)=')\n",
"MSB=Rmax/2\n",
"disp(MSB,'(b)MSB(in V)=')\n",
"F=Rmax-LSB\n",
"disp(F,'(c)full scale output(in V)=')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 6.5: Find_resolution_and_voltage.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//caption:Find resolution and voltage\n",
"//Ex6.5\n",
"clc\n",
"clear\n",
"close\n",
"N=3//bit of D/A convertor\n",
"V=5//full scale voltage(in V)\n",
"A=0.001//magnitude of accuracy\n",
"R=1/2^N\n",
"disp(R,'resolution(in V)=')\n",
"Ac=A*V\n",
"disp(Ac,'accuracy(in V)=')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 6.6: Find_conversion_time_required_for_invertor.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//caption:Find conversion time required for cinvertor\n",
"//Ex6.6\n",
"clc\n",
"clear\n",
"close\n",
"N=8//bit of A/D convertor\n",
"Vr=2.56//clock voltage(in V)\n",
"Vin=1.728//input voltage(in V)\n",
"F=100*10^3//clock frequency(in Hz)\n",
"P=173//steps required for conversion\n",
"Po=1/F\n",
"T=P*Po\n",
"disp(T,'total conversion time(in second)=')"
   ]
   }
,
{
		   "cell_type": "markdown",
		   "metadata": {},
		   "source": [
			"## Example 6.9: Find_total_number_of_pulses_and_display_reading.sce"
		   ]
		  },
  {
"cell_type": "code",
	   "execution_count": null,
	   "metadata": {
	    "collapsed": true
	   },
	   "outputs": [],
"source": [
"//caption:Find total number of pulses and display reading\n",
"//Ex6.9\n",
"clc\n",
"clear\n",
"close\n",
"V=10//input voltage(in V)\n",
"S=0.001//ramp slope(in V/second)\n",
"F=1000000//clock frequency(in Hz)\n",
"T=1/F\n",
"t=V*S\n",
"P=t/T\n",
"disp(P,'total number of pulses=')\n",
"disp(P,'display reading=')"
   ]
   }
],
"metadata": {
		  "kernelspec": {
		   "display_name": "Scilab",
		   "language": "scilab",
		   "name": "scilab"
		  },
		  "language_info": {
		   "file_extension": ".sce",
		   "help_links": [
			{
			 "text": "MetaKernel Magics",
			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
			}
		   ],
		   "mimetype": "text/x-octave",
		   "name": "scilab",
		   "version": "0.7.1"
		  }
		 },
		 "nbformat": 4,
		 "nbformat_minor": 0
}