summaryrefslogtreecommitdiff
path: root/Linear_Integrated_Circuits/Chapter_8.ipynb
diff options
context:
space:
mode:
Diffstat (limited to 'Linear_Integrated_Circuits/Chapter_8.ipynb')
-rw-r--r--Linear_Integrated_Circuits/Chapter_8.ipynb470
1 files changed, 470 insertions, 0 deletions
diff --git a/Linear_Integrated_Circuits/Chapter_8.ipynb b/Linear_Integrated_Circuits/Chapter_8.ipynb
new file mode 100644
index 00000000..09138a1f
--- /dev/null
+++ b/Linear_Integrated_Circuits/Chapter_8.ipynb
@@ -0,0 +1,470 @@
+{
+ "metadata": {
+ "name": "ch_8"
+ },
+ "nbformat": 2,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "source": [
+ "<h1>Chapter 8: Voltage Regulators<h1>"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "source": [
+ "<h3>Example No. 8.1 Page No:362 <h3>"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "'''Linear Voltage Regulator'''",
+ "",
+ "#Variable Declaration:",
+ "Vo=15.0 #Output voltage in volt",
+ "Vr=2.0 #Ripple voltage in volt",
+ "",
+ "#Calculations:",
+ "Vimin=Vo+3.0 #Calculating minimum input voltage ",
+ "",
+ "Vi=Vimin + Vr/2.0 #Calculating input voltage",
+ "",
+ "Vz=Vi/2.0 #Calculating zener voltage",
+ "",
+ "Vz=10.0 #Volatge in volt",
+ "Iz=20.0*10**-3 #Current in ampere",
+ "",
+ "R1=(Vi-Vz)/Iz #Calculating resistance value",
+ " ",
+ "I2=50.0*10**-6 #Current ampere",
+ "R2=(Vo-Vz)/I2 #Calculating Resistance value",
+ "R2=R2/1000.0 #Calculating resistance value",
+ "",
+ "R3=Vz/I2 #Calculating resistance value",
+ "R3=R3/1000.0 #Calculating resistance value",
+ "",
+ "Vcemax=Vi+Vr/2 #Calculating volatge",
+ "",
+ "IE=50.0*10**-6 #Current in ampere",
+ "IL=50.0*10**-6 #Current in ampere",
+ "",
+ "P=(Vi-Vo)*IL #Calculating power ",
+ "P1=P*1000000.0 #Calculating power",
+ "",
+ "",
+ "#Results:",
+ "print('As Vz=%.1f, use Zener diode 1N758 for 10V'%Vz)",
+ "print('\\nR1= %d ohm'%R1)",
+ "print('\\nR2= %.1f kohm'%R2)",
+ "print('\\nR3= %d kohm'%R3)",
+ "print('\\nSelect C1= 50uF')",
+ "print('\\nP= %.1f mW'%P1)",
+ "print('\\nUse the transstor 2N718 for Q1')"
+ ],
+ "language": "python",
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "As Vz=10.0, use Zener diode 1N758 for 10V",
+ "",
+ "R1= 450 ohm",
+ "",
+ "R2= 100.0 kohm",
+ "",
+ "R3= 200 kohm",
+ "",
+ "Select C1= 50uF",
+ "",
+ "P= 200.0 mW",
+ "",
+ "Use the transstor 2N718 for Q1"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "markdown",
+ "source": [
+ "<h3>Example No. 8.2, Page No: 366<h3>"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "'''7805 Voltage Regulator'''",
+ "",
+ "#Variable Declaration:",
+ "IL=0.25 #Current in ampere",
+ "Vr=5.0 #Ripple voltage in volt",
+ "",
+ "#Calculations:",
+ "R=Vr/IL #Calculating value of resistance ",
+ "RL=10.0 #Calculating value of resistance",
+ "VL=IL*RL #Calculating voltage",
+ "",
+ "Vo=Vr+VL #Calculating output voltage",
+ "Vdrop=2.0 #Voltage drop in volt",
+ "Vi=Vo+Vdrop #Calculating voltage",
+ "",
+ "#Results:",
+ "print('R= %d ohm'%R)",
+ "print('\\nVo= %.1f V'%Vo)",
+ "print('\\nVo= %.1f V'%Vi)"
+ ],
+ "language": "python",
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "R= 20 ohm",
+ "",
+ "Vo= 7.5 V",
+ "",
+ "Vo= 9.5 V"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "markdown",
+ "source": [
+ "<h3>Example No. 8.3, Page No: 368<h3>"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "'''7805 Regulator Circuit'''",
+ "",
+ "#Variable Declaration:",
+ "VL=5.0 #Voltage in volt",
+ "RL=100.0 #Resistance in ohm",
+ "",
+ "#Calculations:",
+ "IL=VL/RL #Calculating current ",
+ "IL1=IL*1000.0 #Calculating current",
+ "#Part A",
+ "R1=7.0 #Resistance in ohm ",
+ "VR1=IL*R1 #Calculaing voltage drop across R1",
+ "VR1x=VR1*1000.0 #Calculatingvoltage drop across R1",
+ "",
+ "#Part B",
+ "VLb=5.0 #Voltage in volt",
+ "RLb=2.0 #Resistance in ohm",
+ "",
+ "ILb=VLb/RLb #Calculating current",
+ "",
+ "R1=7.0 #Resistance in ohm ",
+ "VR1=ILb*R1 #Calculating voltage drop accross R1",
+ "",
+ "Io=0.147 #Current in ampere ",
+ "Ic=ILb-Io #Calculating current",
+ "",
+ "#Results:",
+ "print('Part A')",
+ "print('\\nLoad Current IL= %d mA'% IL1)",
+ "print('\\nVoltage accross R1= %d mV'%VR1x)",
+ "print('\\nAs voltage < 0.7V, Q1 is OFF')",
+ "print('\\nHence IL=Io=Ii=50 mA')",
+ "print('\\n\\nPart B')",
+ "print('\\nLoad Current IL= %.1f A'%ILb)",
+ "print('\\nVoltage accross R1= %.1f V'%VR1)",
+ "print('\\nAs voltage > 0.7V, Q1 is ON')",
+ "print('\\nHence Ic= %.3f A'%Ic)"
+ ],
+ "language": "python",
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Part A",
+ "",
+ "Load Current IL= 50 mA",
+ "",
+ "Voltage accross R1= 350 mV",
+ "",
+ "As voltage < 0.7V, Q1 is OFF",
+ "",
+ "Hence IL=Io=Ii=50 mA",
+ "",
+ "",
+ "Part B",
+ "",
+ "Load Current IL= 2.5 A",
+ "",
+ "Voltage accross R1= 17.5 V",
+ "",
+ "As voltage > 0.7V, Q1 is ON",
+ "",
+ "Hence Ic= 2.353 A"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "markdown",
+ "source": [
+ "<h3>Example No. 8.4, Page No: 371<h3>"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "'''LM317 Regulator'''",
+ "",
+ "#Variable Declaration:",
+ "R1=240.0 #Resistance in ohm",
+ "R2=2000.0 #Resistance in ohm",
+ "Iadj=50.0*10**-6 #Current in ampere",
+ "Vref=1.25 #Reference voltage in volt ",
+ "",
+ "#Calculation:",
+ "Vo=(Vref*(1+R2/R1))+(Iadj*R2) #Calculating output voltage",
+ "",
+ "#Result:",
+ "print('Vo= %.2f V'%Vo)"
+ ],
+ "language": "python",
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Vo= 11.77 V"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "markdown",
+ "source": [
+ "<h3>Example No. 8.5, Page NO:371<h3>"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "'''Voltage regulator using LM317'''",
+ "",
+ "#Variable Declaration:",
+ "Iadjmax=100.0*10**-6 #Current in ampere",
+ "R1=240.0 #Resistance in ohm",
+ "Vref=1.25 #Reference voltage in volt ",
+ " ",
+ "#Calculations:",
+ "#First case: Vo=4",
+ "Vo=4.0 #Voltage in volt",
+ "R2a1=(Vo-Vref)/(Vref/R1 + Iadjmax) #Calculating value of resistance",
+ "R2a=R2a1/1000.0 #Calculating value of resistance",
+ "",
+ "#First case: Vo=12",
+ "Vo=12.0 #Voltage in volt",
+ "R2b1=(Vo-Vref)/(Vref/R1 + Iadjmax) #Calculating value of resistance",
+ "R2b=R2b1/1000.0 #Calculating value of resistance",
+ "",
+ "#Results:",
+ "print('\\nR2= %.2f kohm'%R2a)",
+ "print('\\nR2= %.2f kohm'%R2b)"
+ ],
+ "language": "python",
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "",
+ "R2= 0.52 kohm",
+ "",
+ "R2= 2.03 kohm"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "markdown",
+ "source": [
+ "<h3>Example No.8.6, Page No: 377<h3>"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "'''Current Limiting Circuit'''",
+ "",
+ "#Variable Declaration:",
+ "ILmax=0.5 #Current in ampere",
+ "",
+ "#Calculations:",
+ "#Part 1",
+ "Rsc=0.7/ILmax #Calculting value of resistance",
+ "",
+ "#Part 2",
+ "RL=100.0 #Resistance in ohm",
+ "Vo=20.0 #Voltage in volt",
+ "",
+ "IL1=Vo/RL #Calculating current",
+ "",
+ "#Part 3",
+ "RLn=10.0 #Resistance in ohm",
+ "",
+ "IL2=Vo/RLn #Calculating current",
+ "Von=RLn*ILmax #Calculating voltage",
+ "",
+ "#Results:",
+ "print('Rsc= %.1f ohm'%Rsc)",
+ "print('\\nIL= %.1f A'%IL1)",
+ "print('\\nIL= %.1f A'%IL2)",
+ "print('\\nSince IL > ILmax of 0.5A, current limiting will happen')",
+ "print('\\nVo= %.1f V'%Von)"
+ ],
+ "language": "python",
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Rsc= 1.4 ohm",
+ "",
+ "IL= 0.2 A",
+ "",
+ "IL= 2.0 A",
+ "",
+ "Since IL > ILmax of 0.5A, current limiting will happen",
+ "",
+ "Vo= 5.0 V"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "markdown",
+ "source": [
+ "<h3>Example No. 8.7, Page No: 378<h3>"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "''' LM723 Regulator'''",
+ "",
+ "#Variable Declaration:",
+ "R2=10000.0 #Resistance in ohm ",
+ "Vo=12.0 #Output voltage in volt",
+ "Vref=7.15 #Reference voltage",
+ "",
+ "#Calculations:",
+ "R1=(Vo/Vref)*R2 - R2 #Calculating resistance value",
+ "R1a=R1/1000.0 #Calculating resistance value",
+ "",
+ "#Result:",
+ "print('\\nR1= %.2f kohm'%R1a)"
+ ],
+ "language": "python",
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "",
+ "R1= 6.78 kohm"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "markdown",
+ "source": [
+ "<h3>Example No.8.8, Page NO: 380<h3>"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "'''Continuously adjustable power supply'''",
+ "",
+ "#Variable Declaration:",
+ "Vref=7.15 #Reference voltage in volt",
+ "Vo=5.0 #Output voltage in volt",
+ "",
+ "#Calculations:",
+ "k=Vref/Vo ",
+ "k1=k-1",
+ "",
+ "#For min voltage of 2V",
+ "Vom=2.0 ",
+ "km=Vref/Vom",
+ "km1=km-1.43",
+ "",
+ "R1a=10000.0 #Resistance in ohm",
+ "R1b=2000.0 #Resistance in ohm",
+ " ",
+ "R2=R1a/2.145 #Calculating resistance value",
+ "R2n=R2/1000.0 #Calculating resistance value",
+ "",
+ "R1=6000.0 #Resistance in ohm",
+ "R3=(R1*R2)/(R1+R2) #Calculating resistance value",
+ "R3n=R3/1000.0 #Calculating resistance value",
+ "",
+ "#Results:",
+ "print('(R1b+R2)/R2= %.2f'%k)",
+ "print('\\nR1 = %.2f * R2'%k1)",
+ "print('\\n(R1a+R1b+R2)/R2= %.3f'%km)",
+ "print('\\nR1a = %.3f * R2'%km1)",
+ "print('\\nR2= %.2f kohm'%R2n)",
+ "print('\\nR3= %.2f kohm'%R3n)"
+ ],
+ "language": "python",
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "(R1b+R2)/R2= 1.43",
+ "",
+ "R1 = 0.43 * R2",
+ "",
+ "(R1a+R1b+R2)/R2= 3.575",
+ "",
+ "R1a = 2.145 * R2",
+ "",
+ "R2= 4.66 kohm",
+ "",
+ "R3= 2.62 kohm"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "code",
+ "collapsed": true,
+ "input": [],
+ "language": "python",
+ "outputs": []
+ }
+ ]
+ }
+ ]
+} \ No newline at end of file
generated by cgit (git 2.34.1) at 2024-12-20 11:41:32 +0000