diff options
Diffstat (limited to '1223/CH7/EX7.14/Ex7_14.sce')
-rwxr-xr-x | 1223/CH7/EX7.14/Ex7_14.sce | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/1223/CH7/EX7.14/Ex7_14.sce b/1223/CH7/EX7.14/Ex7_14.sce new file mode 100755 index 000000000..6874be2d9 --- /dev/null +++ b/1223/CH7/EX7.14/Ex7_14.sce @@ -0,0 +1,32 @@ +clear;
+clc;
+//Example 7.14
+V1=5;
+V=-5;
+Rs=0.1;
+Rb=40;
+R2=5.72;
+Re=0.5;
+Rc=5;
+Rl=10;
+b=150;
+Vbe=0.7;
+C1=35*10^-3;
+C2=4;
+Vt=0.026;
+Icq=1.02;
+r=b*Vt/Icq;
+printf('\nsmall signal parameter=%.2f KOhm\n',r)
+gm=Icq/Vt;
+printf('\ntransconductance=%.3f mA/V\n',gm)
+Cm=C2*(1+gm*Rc*Rl/(Rc+Rl));
+printf('\nMiller capacitance=%.3f pF\n',Cm)
+Cm=527*10^-3;
+x=Rb*Rs/(Rb+Rs);
+y=r*x/(r+x);
+fH=1/(2*%pi*y*(C1+Cm));
+printf('\nupper corner frequency =%.2fMHz\n',fH)
+t=Rb*r/(Rb+r);
+p=Rc*Rl/(Rc+Rl);
+Av=gm*p*t/(t+Rs);
+printf('\nmidband gain=%.2f\n',Av)
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