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

---
 3281/CH3/EX3.12/ex3_12.sce | 58 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100755 3281/CH3/EX3.12/ex3_12.sce

(limited to '3281/CH3/EX3.12/ex3_12.sce')

diff --git a/3281/CH3/EX3.12/ex3_12.sce b/3281/CH3/EX3.12/ex3_12.sce
new file mode 100755
index 000000000..27bc4703a
--- /dev/null
+++ b/3281/CH3/EX3.12/ex3_12.sce
@@ -0,0 +1,58 @@
+//Page Number: 163
+//Example 3.12
+clc;
+//Given
+S11=0.6;
+S12=0.045;
+S21=2.5;
+S22=0.50;
+TS=0.5;
+TL=0.4;
+Z0=50; //ohm
+Vrms=10; //V
+
+//(i) Gain Parameters
+//(i)Reflection coefficients of input and output
+Tin=S11+((S12*S21*TL)/(1-(S22*TL)));
+Tout=S22+((S12*S21*TS)/(1-(S22*TS)));
+
+//Transducer Gain
+x=(1-(TS)^2)/((1-(S11*TS))^2);
+y=(S21*S21);
+z=(1-(TL)^2)/((1-(Tout*TL))^2);
+GT=x*y*z;
+disp(GT,'Transducer Gain:');
+
+//Available Power Gain
+z1=1-(Tout)^2;
+GA=(x*y)/z1;
+disp(GA,'Available power Gain:'); 
+
+//Power Gain
+z2=1-(Tin)^2;
+GP=(x*y)/z2;
+disp(GP,'Power Gain:');
+
+//(ii) Power levels
+//Power available at source
+Pavs=(sqrt(2)*Vrms)^2/(8*Z0);
+disp('W',Pavs,'Power available at source:');
+
+Pl=9.4*Pavs;
+//Power available at input
+Pin=Pl/13.5;
+disp('W',Pin,'Power available at input:');
+
+//(iii) VSWRs
+M1=Pin/Pavs;
+M2=Pl/(9.6*Pavs);
+
+Tin1=sqrt(1-M1);
+Tout1=sqrt(1-M2);
+
+vswrin=(1+Tin1)/(1-Tin1);
+disp(vswrin,'Input VSWR:');
+vswrout=(1+Tout1)/(1-Tout1);
+disp(vswrout,'Output VSWR:');
+
+//Calculations for gain are done wrong in book, hence answers dont match
-- 
cgit