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//chapter 3
//example 3.5
//page 82
//find Ib(base current) Ic(collector current) for common emitter configuaration from i/p,o/p,current gain characteristics
clear;
clc ;
//given
Vbe=0.7; //base emitter voltage in volts
Vce=6; //collctor mitter voltage in volts
//finding Ie from input characteristics of common emitter configuration
if Vce==6 & Vbe==0.7 then
Ib=60; //in microA
end
printf('\nIb=%d microA',Ib);
//finding Ic from output characteristics of common emitter configuration
if Vce==6 & Ib==60 then
Ic=3.3; //in mA
end
printf('\nIc1=%.1f mA',Ic);
//finding Ic from current gain characteristics of common emitter configuration
if Vce==6 & Ib==60 then
Ic=3.3; //in mA
end
printf('\nIc2=%.1f mA',Ic);
Betadc=Ic/(Ib/10^3); //betadc is dc common emitter gain factor
printf('\nbetadc =%d',Betadc);
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