2 files changed, 31 insertions, 0 deletions
diff --git a/3871/CH15/EX15.1/Ex15_1.sce b/3871/CH15/EX15.1/Ex15_1.sce
new file mode 100644
index 000000000..51910d2d5
--- /dev/null
+++ b/3871/CH15/EX15.1/Ex15_1.sce
@@ -0,0 +1,14 @@
+//=====================================================================================
+//Chapter 15 example 1
+clc;clear all;
+
+//variable declaration
+Ip    = 25;         //power level ot the third-order intercept in dBm
+M     = -85;         //minimum detectable signal in dBm
+
+//calculations
+Rd    = (2/3)*(Ip-M);
+
+//result
+mprintf("dynamic range = %3.0f dB",Rd);
+
diff --git a/3871/CH15/EX15.2/Ex15_2.sce b/3871/CH15/EX15.2/Ex15_2.sce
new file mode 100644
index 000000000..b93a99266
--- /dev/null
+++ b/3871/CH15/EX15.2/Ex15_2.sce
@@ -0,0 +1,17 @@
+//=====================================================================================
+//Chapter 15 example 2
+
+clc;clear all;
+
+//variable decalaration
+N     = 20;       //noise figure indB
+B     = 1000;     //bandwidth in Hz
+
+//calculations
+x     = B/(10^6);
+//log(10**-3)= (-3)*log(1) = -3
+M     = (-114)+((10*(-3))*(1))+N;    //log(1) = 1
+
+//result
+mprintf("minimum detectable signal = %3.2f dBm",M);
+