1 files changed, 19 insertions, 0 deletions
diff --git a/2702/CH1/EX1.28/Ex_1_28.sce b/2702/CH1/EX1.28/Ex_1_28.sce
new file mode 100644
index 000000000..da6d9f573
--- /dev/null
+++ b/2702/CH1/EX1.28/Ex_1_28.sce
@@ -0,0 +1,19 @@
+// Exa 1.28
+clc;
+clear;
+close;
+// Given data
+Ao= 10^4;// in V/V
+f_t= 10^6;// in Hz
+R2byR1= 20;
+omega_t= 2*%pi*f_t;
+omega_3dB= omega_t/(1+R2byR1);
+f3dB= omega_3dB/(2*%pi);// in Hz
+disp(f3dB*10^-3,"3-dB frequency of the closed loop amplifier in kHz is : ")
+f3dB= 0.1*f3dB;// in Hz
+voBYvi= -R2byR1/sqrt(1+(2*%pi*f3dB/omega_3dB)^2);
+voBYvi= abs(voBYvi);// in v/v
+disp(voBYvi,"Gain in v/v is : ")
+
+
+