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authorpriyanka2015-06-24 15:03:17 +0530
committerpriyanka2015-06-24 15:03:17 +0530
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+// Example 5.28:gain
+clc;
+clear;
+close;
+gm= 10;//transconductane in milli ampere per volt
+Csh=20;//capacitance in pico farad
+BW=10;//bandwidth in mega hertz
+fhn=10;//in mega hertz
+n=2;//
+x=sqrt(2^(1/n)-1);//
+fh=fhn/x;//lower cut off frequency in mega hertz
+R=(1/(2*%pi*Csh*10^-12*fh*10^6));//resiatnce in ohms
+Av1=-gm*R*10^-3;//mid frequency gain of first stage
+Av2=Av1;//mid frequency gain of second stage
+Av= Av1*Av2;//total gain
+Avdb=20*(log10(Av));//total gain dB
+disp(Avdb,"total gain in dB is")
+