1 files changed, 27 insertions, 0 deletions
diff --git a/1754/CH5/EX5.8/Exa5_8.sce b/1754/CH5/EX5.8/Exa5_8.sce
new file mode 100755
index 000000000..64807fd57
--- /dev/null
+++ b/1754/CH5/EX5.8/Exa5_8.sce
@@ -0,0 +1,27 @@
+//Exa 5.8
+clc;
+clear;
+close;
+//Given data :
+A=10000;//gain without feedback(unitless)
+Zi=10;//in kOhm
+Zo=100;//in Ohm
+R1=2;//in Ohm
+R2=18;//in Ohm
+//Part (i) :
+Beta=R1/(R1+R2);//feedback fraction(unitless)
+disp(Beta,"(i) Feedback Fraction :");
+//Part (ii) :
+Af=A/(1+A*Beta);//Gain with negative feedback(unitless)
+disp(round(Af),"(ii) Gain with negative feedback :");
+//Part (iii) :
+inputVoltge=0.5;//in mV
+outputVoltge=Af*inputVoltge;//in mV
+disp(round(outputVoltge),"(iii) Output Voltage in milli volts :");
+//Part (iv) :
+Zif=Zi*(1+Beta*A);//in kOhm
+disp(Zif*10^-3,"(iv) Input impedance of feedback amplifier in Mohm : ");
+//Part (v) :
+Zof=Zo/(1+Beta*A);//in kOhm
+format('v',4);
+disp(Zof,"(v) Output impedance with feedback in Ohm : ");
+\ No newline at end of file