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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 /3492/CH6/EX6.8 | |
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initial commit / add all books
Diffstat (limited to '3492/CH6/EX6.8')
| -rw-r--r-- | 3492/CH6/EX6.8/Ex6_8.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/3492/CH6/EX6.8/Ex6_8.sce b/3492/CH6/EX6.8/Ex6_8.sce new file mode 100644 index 000000000..06d494444 --- /dev/null +++ b/3492/CH6/EX6.8/Ex6_8.sce @@ -0,0 +1,23 @@ +clc
+//Chapter6
+//Ex_8
+//Given
+//part(c)
+Nd=2*10^16 //in cm^-3
+Na=10^19 //in cm^-3
+W_B=2*10^-4 //in cm
+W_E=2*10^-4 //in cm
+ue=110 //in cm2/V/s
+uh=410 //in cm2/V/s
+Th=250*10^-9 //in seconds
+//let K=kT/e
+K=0.0259 //in V
+//Dh=(kT/e)*uh
+Dh=K*uh
+Tt=W_B^2/(2*Dh)
+gamma=1/(1+((Nd*W_B*ue)/(Na*W_E*uh)))
+disp(gamma,"Injection frequency is")
+alpha=gamma*(1-(Tt/Th))
+disp(alpha,"Modified alpha is")
+beta=alpha/(1-alpha)
+disp(beta,"modified current gain is")
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