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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 11: Semiconductors"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 11.1: rms_current_and_peak_pd.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc\n",
"clear\n",
"//input\n",
"vp=50//ac source supply\n",
"r1=35\n",
"r2=1450 //resistors\n",
"//calculation\n",
"vs=4*vp//transformer equation\n",
"i=100/(r1+r2)//peak current\n",
"irms=i/sqrt(2)//rms current\n",
"v0=100*r1/(r1+r2)\n",
"pp=100-v0//peak pd\n",
"//output\n",
"printf('the rms value of current is %3.3f A',irms)\n",
"printf('\n the peak pd is %3.3f V',pp)"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 11.2: common_emittor_transistor.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc\n",
"clear\n",
"//input\n",
"vbe=1.2//pd across emitter\n",
"ib=120*10^-6//base current\n",
"v1=1.5//final voltafe\n",
"i2=175*10^-6//increased current\n",
"//calculation\n",
"r=vbe/ib//static input resistence\n",
"h=(v1-vbe)/(i2-ib)//input hybrid parameter\n",
"//output\n",
"printf('the static input resistence is %3.0e ohm',r)\n",
"printf('\nthe input hybrid parameter is %3.3e ohm',h)"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 11.3: common_base_transistor.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc\n",
"clear\n",
"//input\n",
"v1=7.5//initial voltag\n",
"v2=11.5//final voltage\n",
"ic=18*10^-6//collector current\n",
"//calculation\n",
"r=(v2-v1)/ic//output resistance\n",
"//output\n",
"printf('the output resistance is %2.2e ohm ',r)"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 11.4: common_emittor_amplifier.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc\n",
"clear\n",
"//input\n",
"vbe=2.5//voltage across base-emitter\n",
"hfe=75//current gain\n",
"rb=75*10^3 //base current\n",
"//calculation\n",
"rc=5*rb/(vbe*hfe)//collector load resistance\n",
"//output\n",
"printf('the collector load resistance is %2.2e ohm',rc)"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Scilab",
"language": "scilab",
"name": "scilab"
},
"language_info": {
"file_extension": ".sce",
"help_links": [
{
"text": "MetaKernel Magics",
"url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
}
],
"mimetype": "text/x-octave",
"name": "scilab",
"version": "0.7.1"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
|
