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{
"metadata": {
"name": "",
"signature": "sha256:c536e76d90eae6f1eede1cdd9e694d9c8eb0678157f5d1a96e0f9e1b8f802232"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 15 - Sampling, Conversion, Modulation and Multiplexing"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example E1 - Pg 496"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Caption:Determine the errors due to Rs and Rd\n",
"#Ex15.1\n",
"Vs=1.#Source voltage(in volts)\n",
"Rs=100.#Source resistance(in ohm)\n",
"Rl=10.#Load resistance(in kilo ohm)\n",
"Rd=30.#Drain resistance(in ohm)\n",
"Vgs=10.#Gate source voltage(in volts)\n",
"V1=-(Vs+Vgs+1.)\n",
"Id=Vs/(Rs+Rd+Rl)\n",
"e1=(Id*Rs)*100./(Vs)\n",
"e2=(Id*Rd)*100./(Vs)\n",
"print '%s %.2f' %('Errors due to Rs(in %)=',e1)\n",
"print '%s %.2f' %('Errors due to Rd(in %)=',e2)\n",
"#Calclation error in textbook"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Errors due to Rs(in %)= 71.43\n",
"Errors due to Rd(in %)= 21.43\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example E2 - Pg 501"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Caption:Determine capacitance and minimum acquisition time\n",
"#Ex15.2\n",
"Vs=1.#Supply voltage(in volts)\n",
"a=0.25#Accuracy(in %)\n",
"t=500.#Holding time(in micro sec)\n",
"Ib=500.#Maximum base current(in nA)\n",
"Rd=30.#Drain Resistance(in ohm)\n",
"v=Vs*0.1/100.\n",
"C=Ib*t*10.**(-9.)/v\n",
"T=7.*C*Rd\n",
"print '%s %.2f' %('Required capacitance(in micro farad)=',C,)\n",
"print '%s %.1f' %('Required acquisition time(in micro sec)=',T)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Required capacitance(in micro farad)= 0.25\n",
"Required acquisition time(in micro sec)= 52.5\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example E3 - Pg 502"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Caption:Determine the error due to capacitance\n",
"#Ex15.3\n",
"Vgs=10.#Gate source voltage(in volts)\n",
"C=10.5#Capacitance(in pF)\n",
"Vs=1.#Supply voltage(in volts)\n",
"C1=0.25#Capacitance(in micro farad)\n",
"V1=-(Vs+Vgs+1.)\n",
"Vgsm=Vs-(V1)\n",
"Q=C*Vgsm\n",
"Vo=Q/C1\n",
"e=Vo*10.**(-6.)*100./Vs\n",
"print '%s %.2f' %('Error due to capacitance(in %)=',e)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Error due to capacitance(in %)= 0.05\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example E4 - Pg 505"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#caption:Calculate the output voltage\n",
"#Ex15.4\n",
"Vie=1.#Input voltage for resistor Re(in volts)\n",
"Vid=0#Input voltage for resistor Rd(in volts)\n",
"Vic=1.#Input voltage for resistor Rc(in volts)\n",
"Vib=1.#Input voltag for resistor Rb(in volts)\n",
"Via=0#Input voltage for resistor Ra(in volts)\n",
"R=16.#Input Resistor(in kilo ohm)\n",
"re=1.#Resistor(in kilo ohm)\n",
"rd=2.#Resistor(in kilo ohm)\n",
"rc=4.#Resistor(in kilo ohm)\n",
"rb=8.#Resistor(in kilo ohm)\n",
"ra=16.#Resistor(in kilo ohm)\n",
"Vo=R*((Vie/re)+(Vid/rd)+(Vic/rc)+(Vib/rb)+(Via/ra))\n",
"print '%s %.f' %('Output voltage(in volts)=',Vo)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Output voltage(in volts)= 22\n"
]
}
],
"prompt_number": 4
}
],
"metadata": {}
}
]
}
|
