From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 68/CH4/EX4.3/ex3.sce | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100755 68/CH4/EX4.3/ex3.sce (limited to '68/CH4/EX4.3/ex3.sce') diff --git a/68/CH4/EX4.3/ex3.sce b/68/CH4/EX4.3/ex3.sce new file mode 100755 index 000000000..2eb0f9547 --- /dev/null +++ b/68/CH4/EX4.3/ex3.sce @@ -0,0 +1,15 @@ +// Example 4.3: Design of given circuit to obtain I_D=80uA +// FET is operating in saturation region +I_D=80*10^-6; // (A) +V_t=0.6; // (V) +uC_n=200*10^-6; // (A/V^2) +L=0.8*10^-6; // (m) +W=4*10^-6; // (m) +V_DD=3; // (V) +V_OV=sqrt(2*I_D/(uC_n*(W/L))); +V_GS=V_t+V_OV; +V_DS=V_GS; +V_D=V_DS; +disp(V_D,"V_D (V)") +R=(V_DD-V_D)/I_D; +disp(R,"R (ohm)") \ No newline at end of file -- cgit