1 files changed, 16 insertions, 0 deletions
diff --git a/377/CH11/EX11.1/11_1.sce b/377/CH11/EX11.1/11_1.sce
new file mode 100644
index 000000000..b265d7f7c
--- /dev/null
+++ b/377/CH11/EX11.1/11_1.sce
@@ -0,0 +1,16 @@
+disp("Vbi=(K*T/q)*log(Na*Nd/(ni^2))");
+k=0.026;  //say a=K*T/q
+Na=10^18;
+Nd=10^17;
+ni=1.5*10^10;
+a=0.25*10^-4;
+q=1.6*10^-19;
+c=11.9*8.854*10^-14;
+Vbi=k*log(Na*Nd/(ni^2));
+printf('\n The value of built in voltage is %fV',Vbi);
+printf('\n');
+disp("b=q*(a^2)*Nd/(2*Єs)");
+b=q*(a^2)*Nd/(2*c);  //say b=Vbi-Vg
+printf('\n The total voltage  drop required to pinch the channel is %fV',b);
+Vg=Vbi-b;
+printf('\n The value of gate bias at pinch-off is %fV',Vg);
+\ No newline at end of file