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

---
 284/CH12/EX12.5/ex5.sce | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 284/CH12/EX12.5/ex5.sce

(limited to '284/CH12/EX12.5/ex5.sce')

diff --git a/284/CH12/EX12.5/ex5.sce b/284/CH12/EX12.5/ex5.sce
new file mode 100755
index 000000000..ffd0d7cdd
--- /dev/null
+++ b/284/CH12/EX12.5/ex5.sce
@@ -0,0 +1,15 @@
+// Chapter 12_The junction field effect transistor
+//Caption_The MESFET
+//Ex_5//page 567
+Nc=4.7*10^17
+e=1.6*10^-19
+eps=8.85*10^-14*13.1
+T=300
+phi_bn=0.89    //barrier height
+Nd=2*10^15
+Vt=0.25
+phi_n=0.0259*log(Nc/Nd)
+Vbi=phi_bn-phi_n   //built in potential barrier
+Vpo=Vbi-Vt
+a=10^4*(Vpo*2*eps/(e*Nd))^0.5
+printf('The channel thickness of GaAs is %1.3f micrometer',a)
\ No newline at end of file
-- 
cgit