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 --- 1754/CH5/EX5.2/Exa5_2.sce | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100755 1754/CH5/EX5.2/Exa5_2.sce (limited to '1754/CH5/EX5.2/Exa5_2.sce') diff --git a/1754/CH5/EX5.2/Exa5_2.sce b/1754/CH5/EX5.2/Exa5_2.sce new file mode 100755 index 000000000..a44c05a7f --- /dev/null +++ b/1754/CH5/EX5.2/Exa5_2.sce @@ -0,0 +1,23 @@ +//Exa 5.2 +clc; +clear; +close; +//Given data : +A=1000;//gainWithoutFeedback(unitless) +//Part (i) : +disp("At normal collector supply :"); +disp("with feedback gain reduces by a factor 0.40"); +Af=A-A*0.40;//gainWithFeedback(unitless) +disp(Af,"At normal collector supply, Gain with feedback : "); +//Formula : Af=A/(1+A*Beta) +Beta=(A/Af-1)/A;//feedback factor (unitless) +disp("At reduced power supply :"); +Adash=800;//gainWithoutFeedback(unitless) +Af_dash=Adash/(1+Adash*Beta) +disp(round(Af_dash),"At Reduced collector supply, Gain with feedback : "); +//Part (ii) +Reduction=((A-Adash)/A)*100;//% reduction without feedback +disp(Reduction,"percentage reduction in gain without feedback(%) :"); +Reduction1=((Af-Af_dash)/Af)*100;//% reduction without feedback +disp(round(Reduction1),"percentage reduction in gain with feedback(%) :"); +//Note : answer of Af is wrong in the book. -- cgit