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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 /2492/CH8/EX8.9 | |
| 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 '2492/CH8/EX8.9')
| -rwxr-xr-x | 2492/CH8/EX8.9/ex8_9.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/2492/CH8/EX8.9/ex8_9.sce b/2492/CH8/EX8.9/ex8_9.sce new file mode 100755 index 000000000..f8faee15a --- /dev/null +++ b/2492/CH8/EX8.9/ex8_9.sce @@ -0,0 +1,28 @@ +// Exa 8.9
+format('v',6)
+clc;
+clear;
+close;
+// Given data
+R_C= 1;// in k ohm
+V_CC= 5;// in V
+V_CEsat= 0;// in V
+V_BE= 0.7;// in V
+bita_min= 50;
+bita_max= 100;
+// For the transistor to go to saturation,
+I_C= (V_CC-V_CEsat)/R_C;// in mA
+bita= bita_min;// for driving the transistor into saturation
+I_Bmin= I_C/bita;//minimum base current in mA
+// So, (V_CC-V_BE)/R_B >= I_B or
+R_B= (V_CC-V_BE)/I_Bmin;// in k ohm
+disp(R_B,"The maximum permissible value of R_B in k ohm is : ")
+// For actual calculation one may take V_CEsat= 0.3 V
+V_CEsat= 0.3;// in V
+I_C= (V_CC-V_CEsat)/R_C;// in mA
+bita= bita_min;// for driving the transistor into saturation
+I_Bmin= I_C/bita;//minimum base current in mA
+// So, (V_CC-V_BE)/R_B >= I_B or
+R_B= (V_CC-V_BE)/I_Bmin;// in k ohm
+disp("For actual calculation at V_CE(sat) = 0.3 V, the maximum value ")
+disp(R_B,"of R_B in k ohm is : ")
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