diff options
Diffstat (limited to '1658/CH19/EX19.7/Ex19_7.sce')
| -rwxr-xr-x | 1658/CH19/EX19.7/Ex19_7.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/1658/CH19/EX19.7/Ex19_7.sce b/1658/CH19/EX19.7/Ex19_7.sce new file mode 100755 index 000000000..31c2184fe --- /dev/null +++ b/1658/CH19/EX19.7/Ex19_7.sce @@ -0,0 +1,25 @@ +clc;
+//e.g 19.7
+Vcc=-18;
+Rc=4.3*10**3;
+Re=1*10**3;0
+RL=3*10**3;
+R1=39*10**3;
+R2=8.2*10**3;
+beta1=200;
+Vbe=-0.7;
+Vth=(Vcc*R2)/(R1+R2);
+disp('V',Vth*1,"Vth=");
+Rth=(R1*R2)/(R1+R2);
+disp('kohm',Rth*10**-3,"Rth=");
+Ie=(Vth-Vbe)/(Re+(Rth/beta1));
+disp('mA',Ie*10**3,"Ie=");
+re1=(30*10**-3)/(-Ie);
+disp('ohm',re1*1,"re1=");
+Ri=beta1*re;
+Ris=(Rth*Ri)/(Rth+Ri);
+disp('kohm',Ris*10**-3,"Ris=");
+re=(Rc*RL)/(Rc+RL);
+disp('Kohm',re*10**-3,"re=");
+Av=re/re1;
+disp(Av);
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