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/CH4/EX4.20/ex4_20.jpg | Bin 0 -> 6631 bytes 3281/CH4/EX4.20/ex4_20.sce | 24 ++++++++++++++++++++++++ 2 files changed, 24 insertions(+) create mode 100755 3281/CH4/EX4.20/ex4_20.jpg create mode 100755 3281/CH4/EX4.20/ex4_20.sce (limited to '3281/CH4/EX4.20') diff --git a/3281/CH4/EX4.20/ex4_20.jpg b/3281/CH4/EX4.20/ex4_20.jpg new file mode 100755 index 000000000..b5ce9fea9 Binary files /dev/null and b/3281/CH4/EX4.20/ex4_20.jpg differ diff --git a/3281/CH4/EX4.20/ex4_20.sce b/3281/CH4/EX4.20/ex4_20.sce new file mode 100755 index 000000000..b7c86994b --- /dev/null +++ b/3281/CH4/EX4.20/ex4_20.sce @@ -0,0 +1,24 @@ +//Page Number: 238 +//Example 4.20 +clc; +//Given +vswr=2; +D1=8; //mW +D2=2; //mW + +//Reflection coefficient at arm 4 +T=(vswr-1)/(vswr+1); +//Powwe delivered to D1 +P=(D1*100)/(1-T^2); +P1=0.99*P; +//Power reflected at D1 +W1=(P/100)*T*T; +//Power reflected at load +W2=D2-W1; +Tt=sqrt((W2*100)/(P1)); +pt=(1+Tt)/(1-Tt); +disp(pt,'VSWR:'); +Pl=P1*(1-(Tt*Tt)); +disp('mW',Pl,'Power delivered:'); + +//Answer for P1 should be 792 but it is given as 800 -- cgit