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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 /1514/CH4/EX4.11 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1514/CH4/EX4.11')
| -rwxr-xr-x | 1514/CH4/EX4.11/4_11.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/1514/CH4/EX4.11/4_11.sce b/1514/CH4/EX4.11/4_11.sce new file mode 100755 index 000000000..84f3a5bf7 --- /dev/null +++ b/1514/CH4/EX4.11/4_11.sce @@ -0,0 +1,24 @@ +//chapter 4
+//example 4.11
+//page 125
+clear all;
+clc ;
+//given
+R4=4.7;//kohm
+hfe=70;
+deltaT=100-25;//change in temperature
+//deltaVbe/deltaT=-1.8mV/degreeC
+deltaVbe=-1.8*deltaT;
+deltaIc=-deltaVbe/R4;//microA
+printf("\nchange in Ic =%.1f microA",deltaIc);
+
+Re=R4;
+Rt=(56*68/(56+68));
+//stability factor
+S=(1+hfe)/(1+hfe*(Re/(Re+Rt)));
+printf("\nstability factor=%.1f",S);
+
+
+
+
+
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