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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /74/CH1/EX1.14/example14_sce.sce | |
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Diffstat (limited to '74/CH1/EX1.14/example14_sce.sce')
| -rwxr-xr-x | 74/CH1/EX1.14/example14_sce.sce | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/74/CH1/EX1.14/example14_sce.sce b/74/CH1/EX1.14/example14_sce.sce new file mode 100755 index 000000000..1b549d812 --- /dev/null +++ b/74/CH1/EX1.14/example14_sce.sce @@ -0,0 +1,29 @@ +// chapter 1
+//example 1.14
+// page 46, figure1.54
+Bac=100;Bdc=100;
+Vbe=.715;Vd1=.715; Vz=6.2;Vee=-10;Vcc=10;Vt=26*10^-3;// at room temprature
+Re=2700;Rin=10000;Rc=4700;//assuming Rin= 10k
+Izt=41*10^-3;
+Vin=0;// for dc analysis
+//calculation of the value of Ie,Icq1 and Icq2
+Vb3=Vee+Vz+Vd1
+Ve3=Vb3-Vbe
+Ie=(Ve3-Vee)/Re;
+disp(Ie)
+Ie1=Ie/2
+Ie2=Ie/2
+A=B/(1+B);
+Icq=A*Ie1;//(B/(B+1))*Ie1
+disp(Icq)
+Icq2=Icq;
+disp(Icq2)
+Gm=Icq/Vt// Vt at room temp 26mA
+r=(B*Vt)/Icq
+Ib=Icq/B
+Ve1=-Ib*Rin-Vbe;
+disp(Ve1)//result
+Vc1=Vcc-Icq*Rc;
+disp(Vc1)
+Vceq=Vc1-Ve1;
+disp(Vceq,Icq)//result operating point
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