2 files changed, 42 insertions, 0 deletions
diff --git a/339/CH6/EX6.11/ex6_11.JPG b/339/CH6/EX6.11/ex6_11.JPG
new file mode 100755
index 000000000..3f8eebae6
--- /dev/null
+++ b/339/CH6/EX6.11/ex6_11.JPG
diff --git a/339/CH6/EX6.11/ex6_11.sce b/339/CH6/EX6.11/ex6_11.sce
new file mode 100755
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+//define problem parameters
+Nd=1e18*1e6;
+Vb=0.81;
+eps_r=12.5;
+d=50e-9;
+dWc=3.5e-20;
+W=10e-6;
+L=0.5e-6;
+mu_n=8500*1e-4;
+
+//define physical constants
+q=1.60218e-19;//electron charge
+eps0=8.85e-12;//permittivity of free space
+
+eps=eps_r*eps0;
+
+//pinch-off voltage
+Vp=q*Nd*d^2/(2*eps)
+
+//threshold voltage
+Vth=Vb-dWc/q-Vp
+
+//drain-source applied voltage range
+Vds=0:0.01:5;
+
+//gate-source voltages
+Vgs_r=-1:0.25:0;
+
+
+
+
+for n=1:length(Vgs_r)
+   Vgs=Vgs_r(n);
+   Id=mu_n*W*eps/(L*d)*((Vds*(Vgs-Vth)-Vds.*Vds/2).*(1-(Vds>(Vgs-Vth)))+1/2*(Vgs-Vth)^2*(1-(Vds<=(Vgs-Vth))));
+   plot(Vds,Id/1e-3);
+   set(gca(),"auto_clear","off");
+end;
+   
+
+title('Drain current vs. V_{DS} plotted for different V_{GS}');
+xlabel('Drain-source voltage V_{DS}, V');
+ylabel('Drain current I_{D}, mA');
+\ No newline at end of file