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diff --git a/Semiconductor_Circuit_Approximations_by_Malvino/8-Common_Base_Approximations.ipynb b/Semiconductor_Circuit_Approximations_by_Malvino/8-Common_Base_Approximations.ipynb new file mode 100644 index 0000000..a5b4968 --- /dev/null +++ b/Semiconductor_Circuit_Approximations_by_Malvino/8-Common_Base_Approximations.ipynb @@ -0,0 +1,189 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 8: Common Base Approximations" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.1: Value_of_VCB.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"// Example 8.1\n", +"format('v',6)\n", +"clc;\n", +"clear;\n", +"close;\n", +"// given data\n", +"V_EE= 10;// in V\n", +"V_BE= 0.7;// in V\n", +"R_E= 20*10^3;// in Ω\n", +"V_CC= 25;// in V\n", +"R_C= 10*10^3;// in Ω\n", +"// The emitter current\n", +"I_E= (V_EE-V_BE)/R_E;// in A\n", +"I_C= I_E;// in A\n", +"// The collector to base voltage,\n", +"V_CB= V_CC-I_C*R_C;// in V\n", +"disp(V_CB,'The value of V_CB in volts is : ')" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.2: Value_of_VCB.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"// Example 8.2\n", +"format('v',5)\n", +"clc;\n", +"clear;\n", +"close;\n", +"// given data\n", +"V_EE= 12;// in V\n", +"V_BE= 0.7;// in V\n", +"R_E= 5.6*10^3;// in Ω\n", +"V_CC= 15;// in V\n", +"R_C= 6.8*10^3;// in Ω\n", +"// The emitter current,\n", +"I_E= (V_EE-V_BE)/R_E;// in A\n", +"I_C= I_E;// in A\n", +"// The collector to base voltage\n", +"V_CB= V_CC-I_C*R_C;// in V\n", +"disp(V_CB,'The value of V_CB in volts is : ')\n", +"\n", +"// Note : The answer in the book is not accurate.\n", +"" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.3: Output_voltage.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"// Example 8.3\n", +"format('v',6)\n", +"clc;\n", +"clear;\n", +"close;\n", +"// given data\n", +"V_EE= 15;// in V\n", +"V_BE= 0.7;// in V\n", +"R_E= 22*10^3;// in Ω\n", +"Vin= 2*10^-3;// in V\n", +"V= 25*10^-3;// in V\n", +"R1= 10*10^3;// in Ω\n", +"R2= 30*10^3;// in Ω\n", +"I_E= (V_EE-V_BE)/R_E;// in A\n", +"// The ac resistance of emitter diode,\n", +"r_desh_e= V/I_E;// in Ω\n", +"r_L= R1*R2/(R1+R2);// in Ω\n", +"// The voltage gain\n", +"A= r_L/r_desh_e;\n", +"// The output voltage \n", +"Vout= A*Vin;// in V\n", +"Vout= Vout*10^3;// in mV\n", +"disp(Vout,'The output voltage in mV is : ')" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.4: Output_voltage.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"// Example 8.4\n", +"format('v',5)\n", +"clc;\n", +"clear;\n", +"close;\n", +"// given data\n", +"V_EE= 10;// in V\n", +"V_BE= 0.7;// in V\n", +"R_E= 6.8*10^3;// in Ω\n", +"Rs= 100;// in Ω\n", +"R1= 3.3*10^3;// in Ω\n", +"R2= 1.5*10^3;// in Ω\n", +"V= 25*10^-3;// in V\n", +"Vs= 1*10^-3;// in V\n", +"I_E= (V_EE-V_BE)/R_E;// in A\n", +"r_desh_e= V/I_E;// in Ω\n", +"Zin= r_desh_e;// in Ω\n", +"// The input voltage to the emitter,\n", +"Vin= Zin*Vs/(Rs+Zin);// in V\n", +"r_L= R1*R2/(R1+R2);// in Ω\n", +"// The voltage gain,\n", +"A= r_L/r_desh_e;\n", +"// The output voltage \n", +"Vout= A*Vin;// in V\n", +"Vout= Vout*10^3;// in mV\n", +"disp(Vout,'The output voltage in mV is : ')" + ] + } +], +"metadata": { + "kernelspec": { + "display_name": "Scilab", + "language": "scilab", + "name": "scilab" + }, + "language_info": { + "file_extension": ".sce", + "help_links": [ + { + "text": "MetaKernel Magics", + "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md" + } + ], + "mimetype": "text/x-octave", + "name": "scilab", + "version": "0.7.1" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} |