From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 2672/CH5/EX5.12/Ex5_12.sce | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100755 2672/CH5/EX5.12/Ex5_12.sce

(limited to '2672/CH5/EX5.12')

diff --git a/2672/CH5/EX5.12/Ex5_12.sce b/2672/CH5/EX5.12/Ex5_12.sce
new file mode 100755
index 000000000..19f107f20
--- /dev/null
+++ b/2672/CH5/EX5.12/Ex5_12.sce
@@ -0,0 +1,21 @@
+//Example 5_12
+clc;
+clear;
+close;
+format('v',6);
+//given data : 
+A=5;//mm^2
+A=A*10^-2;//cm^2
+Ln=0.01;//cm
+Lp=0.01;//cm
+sigma_p=0.01;//(ohm-cm)^-1
+sigma_n=0.01;//(ohm-cm)^-1
+mu_p=500;//cm^2/V-s//For Ge
+mu_n=1300;//cm^2/V-s//For Si
+e=1.6*10^-19;//C/electron
+VT=0.026;///eV//at T=27 degree C
+b=mu_n/mu_p;//unitless
+ni=1.5*10^10;//m^-3
+sigma_i=(mu_n+mu_p)*ni*e;//(ohm-m)^-1
+I0=A*VT*b*sigma_i^2/(1+b)^2*(1/Lp/sigma_p+1/Ln/sigma_n)*10^12;//pA
+disp(I0,"Reverse saturation current(pA)");
-- 
cgit