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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 11 More Amplifier Theory"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 11.1 Page No 274"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The closed loop voltage gain = 47.81\n"
]
}
],
"source": [
"# given data\n",
"r_F= 220## Ω\n",
"r_E= 4.7##in Ω\n",
"# The closed loop voltage gain \n",
"A_CL= r_F/r_E+1#\n",
"print \"The closed loop voltage gain = %.2f\"%A_CL"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 11.2 Page No 287"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The value of alpha = 0.99\n",
"The value of r''e = 29.17 Ω\n",
"The value of r''c = 14.12 MΩ\n"
]
}
],
"source": [
"# given data\n",
"h_ie= 3.5*10**3##in Ω\n",
"h_fe= 120.0#\n",
"h_re= 1.3*10**-4#\n",
"h_oe= 8.5*10**-6## S\n",
"bita= h_fe## unit less\n",
"# The value of alpha \n",
"alpha= h_fe/(h_fe+1)#\n",
"print \"The value of alpha = %.2f\"%alpha\n",
"# The value of r'e\n",
"r_desh_e= h_ie/h_fe## Ω\n",
"r_desh_c= h_fe/h_oe## Ω\n",
"print \"The value of r''e = %.2f Ω\"%r_desh_e\n",
"# The value of r'c\n",
"r_desh_c= r_desh_c*10**-6## Mohm\n",
"print \"The value of r''c = %.2f MΩ\"%r_desh_c"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 11.3 Page No 288"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The value of r''b = 175.00 Ω\n"
]
}
],
"source": [
"# given data\n",
"h_rb= 1.75*10**-4#\n",
"h_ob= 10**-6## S\n",
"r_desh_b= h_rb/h_ob## Ω\n",
"print \"The value of r''b = %.2f Ω\"%r_desh_b"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 11.4 Page No 289"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The voltage gain = 68.02\n"
]
}
],
"source": [
"# given data\n",
"h_fe= 120## unit less\n",
"h_ie= 3.5*10**3##in Ω\n",
"r_L= 2*10**3## Ω\n",
"h_oe= 8.5*10**-6## S\n",
"h_re= 1.3*10**-4## unit less\n",
"# The voltage gain \n",
"A= h_fe*r_L/(h_ie*(1+h_oe*r_L)-h_re*h_fe*r_L)\n",
"print \"The voltage gain = %.2f\"%A"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 2",
"language": "python",
"name": "python2"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 2
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython2",
"version": "2.7.9"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
|
