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{
"metadata": {
"name": "Chapter_1"
},
"nbformat": 2,
"worksheets": [
{
"cells": [
{
"cell_type": "markdown",
"source": [
"<h1>Chapter 1: Semiconductor Basics<h1>"
]
},
{
"cell_type": "markdown",
"source": [
"<h3>Example 1.1(a), Page Number:29<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"'''Voltages of different models'''",
"",
"# variable declaration",
"V_bias=10.0; #bias voltage in volt",
"R_limit=1000; #limiting resistance in ohm",
"r_d =10.0; #r_d value",
"",
"#calculation",
"#IDEAL MODEL",
"print \"IDEAL MODEL\"",
"V_f=0; #voltage in volt",
"I_f=V_bias/R_limit; #foward current",
"V_R_limit=I_f*R_limit; #limiting voltage",
"print \"forward voltage = %.2f volts\" %V_f",
"print \"forward current = %.2f amperes\" %I_f",
"print \"voltage across limiting resistor = %.2f volts\" %V_R_limit",
"",
"#PRACTICAL MODEL",
"print \"\\nPRACTICAL MODEL\"",
"V_f=0.7; #voltage in volt",
"I_f=(V_bias-V_f)/R_limit; #foward current",
"V_R_limit=I_f*R_limit; #limiting voltage",
"print \"forward voltage = %.2f volts\" %V_f",
"print \"forward current = %.3f amperes\" %I_f",
"print \"voltage across limiting resistor = %.2f volts\" %V_R_limit",
"",
"#COMPLETE MODEL",
"print \"\\nCOMPLETE MODEL\"",
"I_f=(V_bias-0.7)/(R_limit+r_d); #foward current",
"V_f=0.7+I_f*r_d; #forward voltage",
"V_R_limit=I_f*R_limit; #limiting voltage",
"print \"forward voltage = %.3f volts\" %V_f",
"print \"forward current = %.3f amperes\" %I_f",
"print \"voltage across limiting resistor = %.2f volts\" %V_R_limit"
],
"language": "python",
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"IDEAL MODEL",
"forward voltage = 0.00 volts",
"forward current = 0.01 amperes",
"voltage across limiting resistor = 10.00 volts",
"",
"PRACTICAL MODEL",
"forward voltage = 0.70 volts",
"forward current = 0.009 amperes",
"voltage across limiting resistor = 9.30 volts",
"",
"COMPLETE MODEL",
"forward voltage = 0.792 volts",
"forward current = 0.009 amperes",
"voltage across limiting resistor = 9.21 volts"
]
}
],
"prompt_number": 1
},
{
"cell_type": "markdown",
"source": [
"<h3>Example 1.1(b), Page Number:29<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"'''voltages of different models'''",
"",
"# variable declaration",
"V_bias=5; #bias voltage in volt",
"I_R=1*10**-6; #current",
"R_limit=1000 #in Ohm",
"",
"#calculation",
"#IDEAL MODEL",
"print \"IDEAL MODEL\"",
"I_r=0.0; #current in ampere",
"V_R=V_bias; #voltages are equal",
"V_R_limit=I_r*R_limit; #limiting voltage",
"print \"Reverse voltage across diode = %.2f volts\" %V_R",
"print \"Reverse current through diode= %.2f amperes\" %I_r",
"print \"voltage across limiting resistor = %.2f volts\" %V_R_limit",
"",
"#PRACTICAL MODEL",
"print \"\\nPRACTICAL MODEL\"",
"I_r=0.0; #current in ampere",
"V_R=V_bias; #voltages are equal",
"V_R_limit=I_r*R_limit; #limiting voltage",
"print \"Reverse voltage across diode= %.2f volts\" %V_R",
"print \"Reverse current through diode = %.2f amperes\" %I_r",
"print \"voltage across limiting resistor = %.2f volts\" %V_R_limit",
"",
"#COMPLETE MODEL",
"print \"\\nCOMPLETE MODEL\"",
"I_r=I_R; #current in ampere",
"V_R_limit=I_r*R_limit; #limiting voltage",
"V_R=V_bias-V_R_limit; #voltage in volt",
"print \"Reverse voltage across diode = %.3f volts\" %V_R",
"print \"Reverse current through diode = %d micro Amp\" %(I_r*10**6)",
"print \"voltage across limiting resistor = %d mV\" %(V_R_limit*1000)"
],
"language": "python",
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"IDEAL MODEL",
"Reverse voltage across diode = 5.00 volts",
"Reverse current through diode= 0.00 amperes",
"voltage across limiting resistor = 0.00 volts",
"",
"PRACTICAL MODEL",
"Reverse voltage across diode= 5.00 volts",
"Reverse current through diode = 0.00 amperes",
"voltage across limiting resistor = 0.00 volts",
"",
"COMPLETE MODEL",
"Reverse voltage across diode = 4.999 volts",
"Reverse current through diode = 1 micro Amp",
"voltage across limiting resistor = 1 mV"
]
}
],
"prompt_number": 2
}
]
}
]
}
|
