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+//Ex 1.20
+clc;clear;close;
+format('v',6);
+Vout=5;//V
+Beta=180;//unitless
+VBE=0.7;//V
+VEE=10;//V
+Vout=5;//V
+R1=22;//kohm
+R2=2.2;//kohm
+IREF=(VEE-VBE)/R1;//mA
+IC=(IREF-VBE/R2)/(1+2/Beta);//mA
+IC1=IC*1000;//micro A(as VBE1=VBE2 IC1=IC2)
+IC2=IC*1000;//micro A
+disp(IC2,IC1,"Current IC1 & IC2 (micro A) : ");
+RC=(VEE-Vout)/(IC1*10^-3);//kohm
+disp(RC,"Value of Rc is (kohm) : ");
+//Answer is wrong in the textbook.