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//Tested on Windows 7 Ultimate 32-bit
//Chapter 10 Feedback in Amplifiers Pg no. 343 and 344
clear;
clc;
//Given
//Figure 10.16
RD=4.7D3;//drain resistance in ohms
Rs=1D3;//source resistance in ohms
RF=15D3;//feedback resistance in ohms
gm=5D-3;//transconductance in Siemens
//Solution
A=-gm*RD;//open loop gain
Afb=A*RF/(RF-A*Rs);//closed loop gain
printf("Gain without feedback A = %.1f\n ",A);
printf("Gain with feedback Afb = %.2f",Afb);
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