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‎Advance_Semiconductor_Devices/ChapterNo1.ipynb

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‎Advance_Semiconductor_Devices/ChapterNo2.ipynb

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‎Advance_Semiconductor_Devices/ChapterNo3.ipynb

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‎Advance_Semiconductor_Devices/ChapterNo4.ipynb

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‎Advance_Semiconductor_Devices/ChapterNo6.ipynb

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{
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"metadata": {
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"name": ""
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},
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"nbformat": 3,
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"nbformat_minor": 0,
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"worksheets": [
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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"<h1> Chpater No 6: Microwave Diodes <h1>"
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]
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},
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{
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"cell_type": "heading",
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"level": 2,
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"metadata": {},
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"source": [
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"Example 6.1, Page No 254"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"import math\n",
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"\n",
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"#initialisation of variables\n",
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"C1_min= 5.0 #in pF\n",
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"C1_max= 50.0 #in pF\n",
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"C2_min= 5.0 #in pF\n",
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"C2_max= 50.0 #in pF\n",
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"\n",
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"#CALCULATIONS\n",
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"C1_min=C1_min*10**-12 #in F\n",
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"C2_min=C2_min*10**-12 #in F\n",
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"C1_max=C1_max*10**-12 #in F\n",
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"C2_max=C2_max*10**-12 #in F\n",
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"L = 10.0 #in mH\n",
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"L = L * 10**-3 #in H\n",
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"C_T_min = (C1_min*C2_min)/(C2_min+C2_min) #in F\n",
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"f_o_max = 1/( 2*math.pi*(math.sqrt(L*C_T_min)) ) #in Hz \n",
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"f_o_max = f_o_max * 10**-6 #in MHz\n",
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"C_T_max = (C1_max*C2_max)/(C2_max+C2_max) #in F\n",
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"f_o_min = 1/( 2*math.pi*(math.sqrt(L*C_T_max)) ) #in Hz \n",
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"f_o_min = f_o_min * 10**-3 #in kHz\n",
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"\n",
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"#RESULTS\n",
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"print('The tuning range for circuit will be =%.2f kHz' %f_o_min)\n",
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"print(' To %.3f MHz' %f_o_max)\n",
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"\n",
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"\n",
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"#print(\"The tuning range for circuit will be : \"+string(round(f_o_min))+\" kHz to \"+string(round(f_o_max))+\" MHz\")\n"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"The tuning range for circuit will be =318.31 kHz\n",
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" To 1.007 MHz\n"
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]
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}
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],
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"prompt_number": 1
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}
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],
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"metadata": {}
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}
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]
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}

‎Advance_Semiconductor_Devices/ChapterNo7.ipynb

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{
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"metadata": {
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"name": ""
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},
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"nbformat": 3,
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"nbformat_minor": 0,
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"worksheets": [
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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"<h1> Chpater No 7: Optoelectonic Devices <h1>"
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]
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},
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{
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"cell_type": "heading",
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"level": 2,
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"metadata": {},
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"source": [
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"Example 7.1, Page No 283"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"import math \n",
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"\n",
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"#initialisation of variables\n",
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"Vout = 5.0 #in V\n",
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"V = 1.5 #ON state voltage drop across LED in V\n",
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"I = 5.0 #in mA\n",
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"\n",
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"#CALCULATIONS\n",
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"I = I*10**-3 #in A\n",
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"R = (Vout-V)/I #in ohm\n",
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"\n",
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"#RESULTS\n",
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"print('Resistance is =%.f \u03a9' %R)"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Resistance is =700 \u03a9\n"
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]
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}
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],
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"prompt_number": 1
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},
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{
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"cell_type": "heading",
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"level": 2,
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"metadata": {},
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"source": [
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"Example 7.2, Page No 306"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"import math\n",
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"\n",
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"#initialisation of variables\n",
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"N_A = 7.5*10**24 #in atoms/m^3\n",
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"N_D = 1.5*10**22 #in atoms/m^3\n",
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"D_e = 25*10**-4 #in m^2/s\n",
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"D_n = 1*10**-3 #in m^2/s\n",
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"V_T = 26*10**-3 #in V\n",
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"\n",
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"#CALCULATIONS\n",
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"Torque_eo = 500*10**-9 #in sec\n",
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"Torque_ho = 100*10**-9 #in sec\n",
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"e = 1.6*10**-19 #in C\n",
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"n_i = 1.5*10**16 #in /m^3\n",
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"I_lambda = 12.5 #in mA/cm^2\n",
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"I_lambda= I_lambda*10**-3 #in A/cm^2\n",
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"L_e = math.sqrt(D_e*Torque_eo) #in m\n",
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"L_n = math.sqrt(D_n*Torque_ho) #in m\n",
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"J_s = e*((n_i)**2)*( ((D_e)/(L_e*N_A)) + ((D_n)/(L_n*N_D)) ) #in A/m^2\n",
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"J_s= J_s*10**-4 #in A/cm^2\n",
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"V_OC = V_T*(math.log(1+(I_lambda/J_s))) #in V\n",
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"\n",
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"#RESULTS\n",
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"print('Open circuit voltage is =%.2f volts ' %V_OC)\n"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Open circuit voltage is =0.52 volts \n"
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]
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}
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],
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"prompt_number": 2
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},
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{
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"cell_type": "heading",
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"level": 2,
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"metadata": {},
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"source": [
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"Example 7.3, Page No 307"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"import math\n",
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"\n",
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"#initialisation of variables\n",
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"Phi_o = 1.0*10**21 #in m^-2s^-1\n",
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"alpha =1.0*10**5 #in m^-1\n",
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"e= 1.6*10**-19 #in C\n",
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"\n",
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"#CALCULATIONS\n",
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"G_L1 = alpha*Phi_o #in m^-3s^-1\n",
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"W = 26.0 #in \u00b5m\n",
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"W = W * 10**-6 #in m\n",
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"G_L2 = alpha*Phi_o*(math.e)**((-alpha)*W) #in m^-3s^-1\n",
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"#temp=(1-math.e)**(-(alpha)*W)\n",
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"J_L = e*Phi_o*(1-math.e**(-(alpha)*W)) #in A/m^2\n",
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"J_L = J_L * 10**3*10**-4 #in mA/cm^2\n",
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"\n",
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"#RESULTS\n",
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"print('Photo current density is =%.1f mA/cm^2' %J_L)"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"Photo current density is =14.8 mA/cm^2\n"
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]
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}
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],
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"prompt_number": 3
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}
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],
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"metadata": {}
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}
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]
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}

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