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{
"metadata": {
"name": "",
"signature": "sha256:4dd75e820655e4b9c7b707a16e607a97dc80135f17b0fdcdf8960be3f0fc80b3"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 3 - Operational Amplifiers and their parameters"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Ex 3.1, page 76"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"fBW=4 #MHz\n",
"fo=10 #Hz\n",
"AOL=fBW*10**6/fo #unitless\n",
"print \"Open loop gain is %.0e \" %AOL"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Open loop gain is 4e+05 \n"
]
}
],
"prompt_number": 9
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Ex 3.2, page 78"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"V1=-10 #V\n",
"V2=10 #V\n",
"SR=0.5 #V/micro second\n",
"delta_Vo=V2-V1 #V\n",
"delta_t=delta_Vo/SR #micro second\n",
"print \"Time taken by op-amp is %d us\" %delta_t"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Time taken by op-amp is 40 us\n"
]
}
],
"prompt_number": 10
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Ex 3.3, page 78"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"SR=0.6 #V/micro second\n",
"f=100 #kHz\n",
"Vm=(SR/10**-6)/(2*math.pi*f*1000) #V\n",
"print \"Maximum voltage, Vm is %0.3f V\" %Vm"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Maximum voltage, Vm is 0.955 V\n"
]
}
],
"prompt_number": 13
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Ex 3.4, page 79"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"SR=0.5 #V/micro second\n",
"Vm=10 #V\n",
"f=100 #kHz\n",
"fm=(SR/10**-6)/(2*math.pi*Vm)/1000 #kHz\n",
"print \"Maximum frequency, fm is %.2f kHz\" %fm"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Maximum frequency, fm is 7.96 kHz\n"
]
}
],
"prompt_number": 16
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Ex 3.5, page 79"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"delta_t=0.3/2 #micro second\n",
"V1=-3 #V\n",
"V2=3 #V\n",
"delta_Vo=V2-V1 #V\n",
"SR=delta_Vo/delta_t #V/micro second\n",
"print \"Slew rate is %d V/us\" %SR"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Slew rate is 40 V/us\n"
]
}
],
"prompt_number": 17
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Ex 3.6, page 80"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"SR=2 #V/micro second\n",
"delta_Vin=0.8 #V\n",
"delta_t=10 #micro second\n",
"Acl_max=SR/(delta_Vin/delta_t) #unitless\n",
"print \"Maximum close loop voltage gain is %d\" %Acl_max"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Maximum close loop voltage gain is 25\n"
]
}
],
"prompt_number": 18
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Ex 3.7, page 80"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"SR=6 #V/micro second\n",
"#Part (i)\n",
"Vm=1 #V\n",
"fm=(SR/10**-6)/(2*math.pi*Vm)/1000 #kHz\n",
"print \"part (i) Maximum frequency, fm is %d kHz\" %fm\n",
"#Part (i)\n",
"Vm=10 #V\n",
"fm=(SR/10**-6)/(2*math.pi*Vm)/1000 #kHz\n",
"print \"part (ii) Maximum frequency, fm is %.1f kHz\" %fm"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"part (i) Maximum frequency, fm is 954 kHz\n",
"part (ii) Maximum frequency, fm is 95.5 kHz\n"
]
}
],
"prompt_number": 21
}
],
"metadata": {}
}
]
}
|
