summaryrefslogtreecommitdiff
path: root/Principles_Of_Electronic_Instrumentation/Pinciples_of_electronic_Instrumentation_Ch5.ipynb
diff options
context:
space:
mode:
authorhardythe12015-06-03 15:27:17 +0530
committerhardythe12015-06-03 15:27:17 +0530
commit47d7279a724246ef7aa0f5359cf417992ed04449 (patch)
treec613e5e4813d846d24d67f46507a6a69d1a42d87 /Principles_Of_Electronic_Instrumentation/Pinciples_of_electronic_Instrumentation_Ch5.ipynb
parent435840cef00c596d9e608f9eb2d96f522ea8505a (diff)
downloadPython-Textbook-Companions-47d7279a724246ef7aa0f5359cf417992ed04449.tar.gz
Python-Textbook-Companions-47d7279a724246ef7aa0f5359cf417992ed04449.tar.bz2
Python-Textbook-Companions-47d7279a724246ef7aa0f5359cf417992ed04449.zip
add books
Diffstat (limited to 'Principles_Of_Electronic_Instrumentation/Pinciples_of_electronic_Instrumentation_Ch5.ipynb')
-rwxr-xr-xPrinciples_Of_Electronic_Instrumentation/Pinciples_of_electronic_Instrumentation_Ch5.ipynb446
1 files changed, 446 insertions, 0 deletions
diff --git a/Principles_Of_Electronic_Instrumentation/Pinciples_of_electronic_Instrumentation_Ch5.ipynb b/Principles_Of_Electronic_Instrumentation/Pinciples_of_electronic_Instrumentation_Ch5.ipynb
new file mode 100755
index 00000000..c194e95b
--- /dev/null
+++ b/Principles_Of_Electronic_Instrumentation/Pinciples_of_electronic_Instrumentation_Ch5.ipynb
@@ -0,0 +1,446 @@
+{
+ "metadata": {
+ "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 5: ADC and DAC"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5_1,pg 491"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# output voltage\n",
+ "\n",
+ "import math\n",
+ "# Variable declaration\n",
+ "Vref=12.0 #ref. voltage\n",
+ "n =4.0 #no. of binary weighted resistors\n",
+ "n1=3.0 #input-1\n",
+ "n2=1.0 #input-2\n",
+ "\n",
+ "#Calculations\n",
+ "Vo=-(Vref/2**n)*(2**n1+2**n2)\n",
+ "\n",
+ "#Result \n",
+ "print(\"output voltage:\")\n",
+ "print(\"Vo = %.1f V\"%Vo) "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "output voltage:\n",
+ "Vo = -7.5 V\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5_2,pg 491"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# voltage division ratio and feedback resistor\n",
+ "\n",
+ "import math\n",
+ "# Variabe declaration \n",
+ "# serie arm resistance = 10k, since the divider arm resistance Rsh=2Rse \n",
+ "# therefore for straight binary code, one should have section voltage ratio as Vos/Vis=0.5\n",
+ "\n",
+ "#Vo/Vref=0.5\n",
+ "Rse=10*10**3 #series resistance(Rsh/2)\n",
+ "\n",
+ "#Calculation\n",
+ "Rf=0.5*(16*Rse)/15 #feedback resistor\n",
+ "\n",
+ "#Result\n",
+ "print(\"voltage section ratio = 0.5\")\n",
+ "print(\"\\nfeedback resistor:\")\n",
+ "print(\"Rf = %.2f k-ohm\"%(Rf/1000)) "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "voltage section ratio = 0.5\n",
+ "\n",
+ "feedback resistor:\n",
+ "Rf = 5.33 k-ohm\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5_3,pg 492"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# output voltage\n",
+ "\n",
+ "import math\n",
+ "#Variable declaration\n",
+ "Rse = 1*10**3 #series resistance\n",
+ "Rsh = 2*10**3 #shunt resistance\n",
+ "Vref= 5.0 #ref. voltage\n",
+ "n1 = 0 #input-1\n",
+ "n2 = 3 #input-2\n",
+ "Ro=0.22*10**3 #load resistance\n",
+ "\n",
+ "#Calculations\n",
+ "Vo=(Vref*(2**n1+2**n2)/16)*(Ro/(Ro+Rsh))\n",
+ "\n",
+ "#Result\n",
+ "print(\"output voltage:\")\n",
+ "print(\"Vo = %.3f V\"%(math.floor(Vo*1000)/1000)) "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "output voltage:\n",
+ "Vo = 0.278 V\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5_4,pg 492"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# find count\n",
+ "\n",
+ "import math\n",
+ "#Variable declaration\n",
+ "Vref=5.0 #ref. voltage\n",
+ "t=1*10**-3 #sawtooth wave time\n",
+ "f=100*10**3 #clock frequency\n",
+ "Vi=1 #input voltage\n",
+ "\n",
+ "#Calculations\n",
+ "N=((t*f*Vi)/Vref) #count\n",
+ "\n",
+ "#Result\n",
+ "print(\"count = %d\"%N)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "count = 20\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5_5,pg 492"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# find integrator output voltage\n",
+ "\n",
+ "import math\n",
+ "#Variable declaration\n",
+ "Tu=1*10**-3 #wave time\n",
+ "Vi=0.2 #input voltage\n",
+ "t=4*10**-3 #integration time constant(1/RC)\n",
+ "\n",
+ "\n",
+ "#Calculation\n",
+ "V1=((Vi*Tu)/t) #integrator output voltage\n",
+ "\n",
+ "#Result\n",
+ "print(\"integrator output voltage:\")\n",
+ "print(\"V1 = %.2f V\"%V1) "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "integrator output voltage:\n",
+ "V1 = 0.05 V\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5_6,pg 493"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# find rise in output voltage and charging time\n",
+ "\n",
+ "import math\n",
+ "#Variable declaration\n",
+ "Tz=0.6*10**-3 #discharge time\n",
+ "Vref=1 #ref. voltage\n",
+ "t=4*10**-3 #integrator time const.\n",
+ "Vi=0.2 #input voltage\n",
+ "#Calculations\n",
+ "Vk=((Vref*Tz)/t) #rise in output integrator\n",
+ "Tu=Vref*(Tz/Vi) #charging time\n",
+ "\n",
+ "#Result\n",
+ "print(\"Rise in integrator output:\")\n",
+ "print(\"Vk = %.2f V\\n\"%Vk)\n",
+ "print(\"charging time:\")\n",
+ "print(\"Tu = %.0f msec\"%(Tu*1000)) "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Rise in integrator output:\n",
+ "Vk = 0.15 V\n",
+ "\n",
+ "charging time:\n",
+ "Tu = 3 msec\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5_7,pg 493"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# find count of counter\n",
+ "\n",
+ "import math\n",
+ "#Variable declaration\n",
+ "Vref=1 #ref. voltage\n",
+ "Vi=0.2 #input voltage\n",
+ "n=15 #no. of counts before reset(n+1)\n",
+ "\n",
+ "#Calculations\n",
+ "N=((n+1)*Vi)/Vref #no.of counts over charging time\n",
+ "\n",
+ "print(\"No of counts over charging time:\")\n",
+ "print(\"N = %.1f = %d(approx.) \"%(N,N)) "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "No of counts over charging time:\n",
+ "N = 3.2 = 3(approx.) \n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5_8,pg 493"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# find input voltage\n",
+ "\n",
+ "import math\n",
+ "Nx=2**6 #6 bit counteer register\n",
+ "Vref=2.2 #ref. voltage\n",
+ "N=32.0 #SAR output\n",
+ "\n",
+ "#Calculations\n",
+ "Vi=(N/(Nx+1)*Vref) #input voltage\n",
+ "\n",
+ "#Result\n",
+ "print(\"Input Voltage:\")\n",
+ "print(\"Vi = %.2f V\"%Vi) "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Input Voltage:\n",
+ "Vi = 1.08 V\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5_9,pg 493"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# conversion number\n",
+ "\n",
+ "import math\n",
+ "#Variable declaration\n",
+ "n=3 #3-bit ADC\n",
+ "Vref=2.2 #ref.voltage\n",
+ "Vi=1 #input voltage\n",
+ "\n",
+ "#Calculations\n",
+ "N=(((2**n)-1)*Vi)/Vref #SAR output\n",
+ "\n",
+ "#Result\n",
+ "print(\"SAR conversion no.:\")\n",
+ "print(\"N = %.2f \"%N) "
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "SAR conversion no.:\n",
+ "N = 3.18 \n"
+ ]
+ }
+ ],
+ "prompt_number": 15
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example5_10,pg 493"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "# signal to noise ratio\n",
+ "\n",
+ "import math\n",
+ "#Variable declaaration\n",
+ "n = 3.0 #3-bit ADC\n",
+ "\n",
+ "#Calculations\n",
+ "SbyN=(((2**(n-1)*12**0.5)/2**0.5)) #S/N ratio\n",
+ "\n",
+ "#Result\n",
+ "print(\"S/N ratio:\")\n",
+ "print(\"SbyN = %.3f\\n\"%SbyN) \n",
+ "print(\"This produces an error due to noise nearly 10%\")"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "S/N ratio:\n",
+ "SbyN = 9.798\n",
+ "\n",
+ "This produces an error due to noise nearly 10%\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
generated by cgit (git 2.34.1) at 2025-01-06 07:18:02 +0000