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{
"metadata": {
"name": ""
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 9: Uninjunction Transistor"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 9.1, Page No.310"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Stand of voltage and peak point Voltage\n",
"import math\n",
"#variable declaration\n",
"\n",
"VBB=20 #in volt\n",
"VB=0.7 #in volt(For Si)\n",
"ETA=0.6 #intrinsic stand off ratio\n",
"\n",
"#Part (i)\n",
"#calculations\n",
"StandOffVoltage=ETA*VBB; #in volt\n",
"\n",
"#Resuly\n",
"print(\"\\n(i)\\nStand Off Voltage in volts :%.0f\"%StandOffVoltage)\n",
"\n",
"#Part (ii)\n",
"#calculations\n",
"VP=ETA*VBB+VB #in volts\n",
"\n",
"#Result\n",
"print(\"\\n(ii)\\nPeak point Voltage in volts : %.1f\"%VP)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"(i)\n",
"Stand Off Voltage in volts :12\n",
"\n",
"(ii)\n",
"Peak point Voltage in volts : 12.7\n"
]
}
],
"prompt_number": 4
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 9.2, Page no. 310"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Time period of sawtooth waveform\n",
"import math\n",
"\n",
"#variable declaration\n",
"VP=10.0 #in volt\n",
"R=100.0 #in Kohm\n",
"C=1000.0 #in pF\n",
"VBB=20.0 #in Volts\n",
"ETA=VP/VBB #intrinsic stand off ratio\n",
"\n",
"#calculations\n",
"T=R*10**3*C*10**-12*math.log(1/(1-ETA)) #in sec\n",
"\n",
"#Resullt\n",
"print(\"Time period of sawtooth wave in micro seconds : %.2f\"%(T*10**6))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Time period of sawtooth wave in micro seconds : 69.31\n"
]
}
],
"prompt_number": 8
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 9.3, Page No.311"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Resistances RB1 and RB2\n",
"import math\n",
"#variable declaration\n",
"RBB=10 #in Kohm\n",
"ETA=0.6 #intrinsic stand off ratio\n",
"\n",
"#calculation\n",
"RB1=ETA*RBB #in Kohm\n",
"RB2=RBB-RB1 #in Kohm\n",
"\n",
"#Result\n",
"print(\"Resistance RB1 in Kohm :%.0f\"%RB1)\n",
"print(\"Resistance RB2 in Kohm :%.0f\"%RB2)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Resistance RB1 in Kohm :6\n",
"Resistance RB2 in Kohm :4\n"
]
}
],
"prompt_number": 10
}
],
"metadata": {}
}
]
}
|
