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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3636/CH5/EX5.9/Ex5_9.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3636/CH5/EX5.9/Ex5_9.sce')
| -rw-r--r-- | 3636/CH5/EX5.9/Ex5_9.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/3636/CH5/EX5.9/Ex5_9.sce b/3636/CH5/EX5.9/Ex5_9.sce new file mode 100644 index 000000000..b2836059f --- /dev/null +++ b/3636/CH5/EX5.9/Ex5_9.sce @@ -0,0 +1,26 @@ +clc;
+clear;
+Na=10^15 //doping densities in cm^-3
+Nd=10^17 //in cm^-3
+V=0.5 //in V
+e=1.6*10^-19 //in J
+nn0=10^17 //in cm^-3
+ni=1.5*10^10 //in cm^-3
+Si_bandgap=1.1 //bandgap of silicon in eV
+Const=0.0259 //constant value for kT/e in J
+
+//Calculation
+//a)
+pn0=ni^2/nn0 //in cm^-3
+pn=pn0*exp((V)/Const)
+
+//b)
+
+Vbi=0.6949 //breakdown voltage in V
+Vp=Vbi-V //potential already present in V
+Vz=Si_bandgap-Vp //Zener breakdown voltage in V
+
+mprintf("a)\n")
+mprintf("Total concentration of holes= %.2e cm^-3\n",pn)
+mprintf("b)\n")
+mprintf("Additional voltage required= %.4f V",Vz)
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