summaryrefslogtreecommitdiff
path: root/374/CH8/EX8.4.a/84a.sci
diff options
context:
space:
mode:
Diffstat (limited to '374/CH8/EX8.4.a/84a.sci')
-rw-r--r--374/CH8/EX8.4.a/84a.sci14
1 files changed, 14 insertions, 0 deletions
diff --git a/374/CH8/EX8.4.a/84a.sci b/374/CH8/EX8.4.a/84a.sci
new file mode 100644
index 000000000..83c59edbb
--- /dev/null
+++ b/374/CH8/EX8.4.a/84a.sci
@@ -0,0 +1,14 @@
+//chapter 8 example 4a//
+clc
+clear
+//bit error=BER,temperature=T,load resistance=R,noise bandwidth=B,ratio=R,minimum power required=Pmin//
+R1=19.6;//in db//
+R2=10^(R1/20);
+R=50;
+K=1.38*(10^-23);
+T=400;//in kelvin//
+B=(10^7);//in Hz//
+is=R2*(sqrt((4*K*T*B)/R))*(10^9);
+R3=0.4;
+Pmin=(is/R3)*(10^-3);
+printf("\n minimum power required to maintain bit error=%f micro watts\n",Pmin)