updated the code

1 files changed, 19 insertions, 19 deletions

diff --git a/284/CH12/EX12.8/ex8.sce b/284/CH12/EX12.8/ex8.sce
index c313f06da..7885266d1 100755
--- a/284/CH12/EX12.8/ex8.sce
+++ b/284/CH12/EX12.8/ex8.sce
@@ -1,19 +1,19 @@
-// Chapter 12_The junction field effect transistor

-//Caption_The MESFET-Channel length modulation

-//Ex_8//page 573

-Nd=3*10^15

-eps=8.85*10^-14*11.7

-L=10

-ID1=4

-VDSsat=0  //assume

-VDS1=VDSsat+2

-VDS2=VDSsat+2.5

-

-delL2=10^4*(2*eps*(VDS2-VDSsat)/(e*Nd))^0.5   //change in length

-delL1=10^4*(2*eps*(VDS1-VDSsat)/(e*Nd))^0.5   //change in length

-//drain currents are

-ID22=ID1*(L/(L-0.5*delL2))

-ID11=ID1*(L/(L-0.5*delL1))

-rds=(VDS2-VDS1)/(ID22-ID11)

-printf('The small signal output resistance at the drain terminal due to channel length modulation effects is %1.1f kohm',rds)

-

+// Chapter 12_The junction field effect transistor
+//Caption_The MESFET-Channel length modulation
+//Ex_8//page 573
+Nd=3*10^15
+eps=8.85*10^-14*11.7
+L=10;
+e = 1.6*10^-19;
+ID1=4
+VDSsat=0  //assume
+VDS1=VDSsat+2
+VDS2=VDSsat+2.5
+
+delL2=10^4*(2*eps*(VDS2-VDSsat)/(e*Nd))^0.5   //change in length
+delL1=10^4*(2*eps*(VDS1-VDSsat)/(e*Nd))^0.5   //change in length
+//drain currents are
+ID22=ID1*(L/(L-0.5*delL2))
+ID11=ID1*(L/(L-0.5*delL1))
+rds=(VDS2-VDS1)/(ID22-ID11)
+printf('The small signal output resistance at the drain terminal due to channel length modulation effects is %1.1f kohm',rds)
\ No newline at end of file