1 files changed, 25 insertions, 0 deletions
diff --git a/887/CH12/EX12.5/12_5.sce b/887/CH12/EX12.5/12_5.sce
new file mode 100755
index 000000000..7ba70c4bf
--- /dev/null
+++ b/887/CH12/EX12.5/12_5.sce
@@ -0,0 +1,25 @@
+clc 
+//initialisation of variables
+RL= 1 //kohms
+R1= 2 //Mohms
+R2= 2 //Mohms
+KP= 50 //uA/V^2
+L= 2 //um
+W= 160 //um
+Vto= 1 //V
+IDQ= 10 //mA
+VG= 7.5 //V
+//CALCULATIONS
+K= W*KP/(2*L*10^3)
+VGSQ= sqrt(IDQ/K)+Vto
+VS= VG-VGSQ
+RS= VS*10^3/IDQ
+gm= sqrt(2*KP/10^3)*sqrt(W/L)*sqrt(IDQ)
+RL1= 1/(1/(RS)+(1/(RL*10^3)))
+Av= gm*RL1*10^-3/(1+gm*RL1*10^-3)
+Rin= 1/((1/R1)+(1/R2))
+Ro= 1/(gm*10^-3+(1/RS))
+Ai= Av*Rin/RL
+G= Av*Ai*10^3
+//RESULTS
+printf ('G = %.1f ',G)