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{
"metadata": {
"name": ""
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 14: Integrated Devices"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 14.1 Page 493"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#initialisation of variable\n",
"\n",
"from math import *\n",
"Rs=1;#resistance\n",
"l=90;#length\n",
"w=10;#width\n",
"e=1.3;\n",
"\n",
"#calculation\n",
"n=l/w;#number\n",
"R=(n+e)*Rs;#resistance\n",
"\n",
"#result\n",
"print\"resistance is\",round(R,2),\"Kohm\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"resistance is 10.3 Kohm\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 14.2 Page 494"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#initialisation of variable\n",
"from math import *\n",
"A=4*10**-8;#area\n",
"E=8.85*10**-14;#constant\n",
"V=5;#voltage\n",
"t1=1*10**-6;#nm\n",
"t2=5*10**-7;#nm\n",
"D1=3.9;#dielectric constant\n",
"D2=25;#dielectric constant\n",
"q=1.6*10**-19;#charge\n",
"\n",
"#calculation\n",
"Qa=D1*E*A*V/t1;#charge\n",
"Na=Qa/q;#number\n",
"Qb=D2*E*A*V/t2;#charge\n",
"Nb=Qb/q;#number\n",
"\n",
"#result\n",
"print\"stored charge for Sio2 is\",round(Qa,16),\"C\"\n",
"print\"stored charge for Ta2O5 is\",round(Qb,15),\"C\"\n",
"print\"no. of electrons for Sio2 is\",round(Na,2),\"electrons\"\n",
"print\"no. of electrons for ta2O5 is\",round(Nb,2),\"electrons\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"stored charge for Sio2 is 6.9e-14 C\n",
"stored charge for Ta2O5 is 8.85e-13 C\n",
"no. of electrons for Sio2 is 431437.5 electrons\n",
"no. of electrons for ta2O5 is 5531250.0 electrons\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 14.3 Page 496"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#initialisation of variable\n",
"from math import *\n",
"H=10**-8;#Henry\n",
"N=20;#turns\n",
"u=1.2*10**-6;#constant\n",
"\n",
"#calculation\n",
"r=H/u/N**2;#radius\n",
"\n",
"#result\n",
"print\"required radius is\",round(r*10**6,1),\"micro-m\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"required radius is 20.8 micro-m\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 14.4 Page 507"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#initialisation of variable\n",
"from math import *\n",
"l=5;#length\n",
"B=8;#MV/cm\n",
"\n",
"#calculation\n",
"V=l*B;#voltage\n",
"\n",
"#result\n",
"print\"gate-to-source voltage is\",round(V/10,2),\"V\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"gate-to-source voltage is 4.0 V\n"
]
}
],
"prompt_number": 4
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 14.5 Page 525"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#initialisation of variable\n",
"from math import *\n",
"t=1.5;#thickness\n",
"eo=3.9;\n",
"e1=7;\n",
"e2=25;#for Ta2O5\n",
"e3=80;#for TiO2\n",
"\n",
"#calculation\n",
"Dn=t*e1/eo;#nitride\n",
"D1=t*e2/eo;#for Ta2O5\n",
"D2=t*e3/eo;#for TiO2\n",
"\n",
"#result\n",
"print\"oxide thickness for nitride is\",round(Dn,2),\"nm\"\n",
"print\"oxide thickness for Ta2O5 is\",round(D1,2),\"nm\"\n",
"print\"oxide thickness for TiO2 is\",round(D2,2),\"nm\"\n",
"print\"the answer for part 3 is incorrect in the textbook\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"oxide thickness for nitride is 2.69 nm\n",
"oxide thickness for Ta2O5 is 9.62 nm\n",
"oxide thickness for TiO2 is 30.77 nm\n",
"the answer for part 3 is incorrect in the textbook\n"
]
}
],
"prompt_number": 2
}
],
"metadata": {}
}
]
}
|
