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+//pagenumber 296 example 16
+clear
+r1=2000;//ohm
+r=900;//ohm
+hie=1200;//ohm
+hre=2*10^-4;
+hfe=60;
+hoe=25*10^-6;//ampere per volt
+curgai=(hfe)/(1+hoe*r1);
+disp("current gain = "+string((curgai)));
+ri=hie+(curgai*r1);
+disp("input impedance = "+string((ri))+"ohm");
+volgai=curgai*r1/ri;
+disp("voltage gain = "+string((volgai)));
+admita=1/ri;
+admita=hoe-(-hfe*hre)/(hie+r);
+r=1/admita;
+disp("output resistance = "+string((r))+"ohm");
+