From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 506/CH13/EX13.3.c/Example13_3c.sce | 43 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100755 506/CH13/EX13.3.c/Example13_3c.sce (limited to '506/CH13/EX13.3.c/Example13_3c.sce') diff --git a/506/CH13/EX13.3.c/Example13_3c.sce b/506/CH13/EX13.3.c/Example13_3c.sce new file mode 100755 index 000000000..35a1785ce --- /dev/null +++ b/506/CH13/EX13.3.c/Example13_3c.sce @@ -0,0 +1,43 @@ +clear; +clc; + +//Caption:Gain of second emitter to first basefeedback pair +//Given Data +Rc1=3;//in K +Rc2=0.5;//in K +Re=0.05;//in K +Rs=1.2;//in K +hfe=50; +hie=1.1;//in K +hre=0; +hoe=0; + +R=Rs; + +//Ai=-Ic2/Is=-(Ic2/Ib2)*(Ib2/Ic1)*(Ic1/Ib1)*(Ib1/Is) +// -Ic2/Ib2 =- hfe = -50 +// Ic1/Ib1 = hfe +//Let Ib2/Ic1 = k +Ri2= hie + ((1+hfe)*(Re*R/(Re+R))); +k=-Rc1/(Rc1+Ri2); + +r= Rs*(Rs+Re)/(Rs+R+Re); +//Let Ib1/Is = l +l=r/(r+hie); + +Ai=(-hfe)*(k)*(hfe)*(l); + +B=Re/(Re+R);//beta +D=1+(B*Ai); + +Aif=Ai/D; + +Avf=(Aif*Rc2)/Rs; + +Ri=(r*hie)/(r+hie); +Rif=Ri/D; + +rif=(Rif*Rs)/(Rs-Rif); +disp('K',rif+Rs,'Resistance with feedback seen by voltage source'); + +//End \ No newline at end of file -- cgit