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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /68/CH4/EX4.1/ex1.sce | |
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initial commit / add all books
Diffstat (limited to '68/CH4/EX4.1/ex1.sce')
| -rwxr-xr-x | 68/CH4/EX4.1/ex1.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/68/CH4/EX4.1/ex1.sce b/68/CH4/EX4.1/ex1.sce new file mode 100755 index 000000000..ee3ef1460 --- /dev/null +++ b/68/CH4/EX4.1/ex1.sce @@ -0,0 +1,28 @@ +// Example 4.1 : To determine operating point parameters
+L_min=0.4*10^-6; // (m)
+t_ox=8*10^-9; // (s)
+u_n=450*10^-4; // (A/V^2)
+V_t=0.7; // (V)
+e_ox=3.45*10^-11;
+
+// 4.1a
+C_ox=e_ox/t_ox;
+disp(C_ox,"C_ox (F/m^2)")
+k_n=u_n*C_ox;
+disp(k_n,"k_n (A/V^2)")
+
+// 4.1b
+// Operation in saturation region
+W=8*10^-6; // (m)
+L=0.8*10^-6; // (m)
+i_D=100*10^-6; // (A)
+V_GS=sqrt(2*L*i_D/(k_n*W)) +V_t;
+disp(V_GS,"V_GS (V)")
+V_DSmin=V_GS-V_t;
+disp(V_DSmin,"V_DSmin (V)")
+
+// 4.1c
+// MOSFET in triode region
+r_DS=1000; // (ohm)
+V_GS=1/(k_n*(W/L)*r_DS)+V_t;
+disp(V_GS,"V_GS (V)")
\ No newline at end of file |