diff options
Diffstat (limited to '284/CH11/EX11.5/ex_5.sce')
-rwxr-xr-x | 284/CH11/EX11.5/ex_5.sce | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/284/CH11/EX11.5/ex_5.sce b/284/CH11/EX11.5/ex_5.sce index 4405168c9..0f0dd3f7b 100755 --- a/284/CH11/EX11.5/ex_5.sce +++ b/284/CH11/EX11.5/ex_5.sce @@ -1,20 +1,20 @@ -// Chapter 11_ Metal-Oxide-Semiconductor Field Effect Transistor:Additional Concepts
-//Caption_Lightly doped drain transistor
-//Ex_5//page 531
-tox=500*10^-8
-VFBO=-1.25 //initial flat band voltage
-e=1.6*10^-19
-eps_ox=3.9*8.85*10^-14
-ni=1.5*10^10 //intrinsic carrier concentration
-VT=0.70
-Na=5*10^15
-phi_fpo=0.0259*log(Na/ni)
-xdto=(4*eps*phi_fpo/(e*Na))^0.5
-Cox=eps_ox/tox
-VTO=VFBO+2*phi_fpo+(e*Na*xdto)/Cox
-x=VT-VTO
-Dt=Cox*x/e //implant dose
-xt=0.15*10^-4 //depth to which uniform implant extends
-Nsa=Dt/xt
-Ns=Nsa+Na
-printf('The required implant dose to achieve the desired threshold voltage is %1.2f per cm^2',Dt)
+// Chapter 11_ Metal-Oxide-Semiconductor Field Effect Transistor:Additional Concepts +//Caption_Lightly doped drain transistor +//Ex_5//page 531 +tox=500*10^-8 +VFBO=-1.25 //initial flat band voltage +e=1.6*10^-19 +eps_ox=3.9*8.85*10^-14 +ni=1.5*10^10 //intrinsic carrier concentration +VT=0.70 +Na=5*10^15 +phi_fpo=0.0259*log(Na/ni) +xdto=(4*eps_ox*phi_fpo/(e*Na))^0.5 +Cox=eps_ox/tox +VTO=VFBO+2*phi_fpo+(e*Na*xdto)/Cox +x=VT-VTO +Dt=Cox*x/e //implant dose +xt=0.15*10^-4 //depth to which uniform implant extends +Nsa=Dt/xt +Ns=Nsa+Na +printf('The required implant dose to achieve the desired threshold voltage is %1.2f per cm^2',Dt)
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