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{
"metadata": {
"name": "ch_5"
},
"nbformat": 2,
"worksheets": [
{
"cells": [
{
"cell_type": "markdown",
"source": [
"<h1>Chapter 5: Operational Amplifiers- Non-linear Circuits<h1>"
]
},
{
"cell_type": "markdown",
"source": [
"<h3>Example No.5.1, Page No: 234<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"''' transfer characteristics of comparator'''",
"",
"#Variable Declaration:",
"Vz1=5.5 #Volatage in volt",
"Vz2=5.5 #Voltage in volt",
"Aol=100000.0 #Open loop gain",
"Vd=0.7 #Voltage in volt",
"",
"#Calculations:",
"Vo=Vz1+Vd # Plus or minus",
"Vich=Vo/Aol #Calculating change in voltage",
"Vich=Vich*1000.0 #Calculating change in voltage",
"",
"#Results:",
"print('Delta Vi=%.3f mV'%Vich)"
],
"language": "python",
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Delta Vi=0.062 mV"
]
}
],
"prompt_number": 1
},
{
"cell_type": "markdown",
"source": [
"<h3>Example No. 5.2, Page No: 239<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"'''inverting schmitt trigger'''",
"",
"#Variable Declaration:",
"R1=56.0*10**3 #Resistance value in ohm",
"R2=150.0 #Resistance value in ohm",
"Vi=1.0 #Voltage in volt",
"f=50.0 #Frequency in hertz",
"Vsat=13.5 #Voltage in volt",
"Vref=0.0 #Voltage in volt",
"",
"#Calculations:",
"Vut=Vsat*R2/(R1+R2) #Calculating Vut voltage",
"Vut=Vut*1000.0 #Calculating Vut voltage",
"VL=-Vut #Calculating Vlt voltage",
"",
"#Results:",
"print('Vut= %d mV'%Vut)",
"print('\\nVL= %d mV'%VL)"
],
"language": "python",
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Vut= 36 mV",
"",
"VL= -36 mV"
]
}
],
"prompt_number": 2
},
{
"cell_type": "markdown",
"source": [
"<h3>Example No: 5.3, Page No: 249<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"'''clipper circuit'''",
"",
"#Variable Declaration:",
"Vclipl=0.35 #Voltage in volt",
"Vp=0.5 #Voltage in volt",
"gain=10.0 #Gain",
"R=1000.0 #Resistance in ohm",
"",
"#Calculations:",
"Vounclip=Vp*gain #Calculating unclipped output voltage",
"Voclip=Vclipl*gain #Calculating clipped output voltage ",
"Vb=Voclip-0.7 #Calculating breakdown voltage",
"",
"#Results:",
"print('When unclipped, output voltage= %.1f V'%Vounclip)",
"print('\\nWhen clipped, output voltage= %.1f V'% Voclip)",
"print('\\nZener diode breakdown voltage= %.1f V'%Vb)",
"print('\\nA 2.8V Zener diode should be connected')"
],
"language": "python",
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"When unclipped, output voltage= 5.0 V",
"",
"When clipped, output voltage= 3.5 V",
"",
"Zener diode breakdown voltage= 2.8 V",
"",
"A 2.8V Zener diode should be connected"
]
}
],
"prompt_number": 3
},
{
"cell_type": "markdown",
"source": [
"<h3>Example No: 5.4, Page NO: 251<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"'''negative clamping circuit'''",
"",
"#Variable Declaration:",
"Vref=1.5 #Voltage in volt",
"",
"#Part A",
"#Variable declaration:",
"Vpp=5.0 #Voltage in volt",
"Vnp=2.5 #Voltage in volt",
"",
"#Calculation:",
"Vc=Vnp + Vref #Calculating capacitor voltage ",
"",
"#Result:",
"print('\\nCapacitor voltage Vc= %.1f V'%Vc) ",
"",
"#Part B",
"#Calculation:",
"Vopeak=Vnp + Vref +Vpp #Calculating peak clamped output voltage",
"",
"#Result:",
"print('\\nPeak value of clamped output voltage Vo(peak)= %.1f V'%Vopeak)",
"",
"#Part C",
"#Calculation:",
"Voc=0.7 + Vref #Calating output voltage during charging",
"",
"#Result:",
"print('\\nOp-amp output voltage during charging Vo= %.1f V'% Voc) ",
"",
"#Part D",
"#Calculation:",
"Vd=Vref-Vopeak #Calculating maximum differenctial input voltage",
"",
"#Result:",
"print('\\nMaximum differential input voltage Vd= %.1f V'%Vd) "
],
"language": "python",
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"",
"Capacitor voltage Vc= 4.0 V",
"",
"Peak value of clamped output voltage Vo(peak)= 9.0 V",
"",
"Op-amp output voltage during charging Vo= 2.2 V",
"",
"Maximum differential input voltage Vd= -7.5 V"
]
}
],
"prompt_number": 4
}
]
}
]
}
|
