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authorpriyanka2015-06-24 15:03:17 +0530
committerpriyanka2015-06-24 15:03:17 +0530
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+clc;
+// page no 146
+// prob no 4_19_1
+//An avalanche diode source is given with excess noise ratio is 14 dB
+enr=14;
+To=290;//Room temp in K
+y=9;//Y-factor is 9 dB
+//converting dB in power ratio
+ENR=10^(enr/10);
+Y=10^(y/10);
+//From def of ENR the hot temp is
+Th=To*(ENR+1);
+disp('K',Th,'The value of hot temp Th is ');
+//Determination of equivalent noise temp
+Te=(Th-(Y*To))/(Y-1);
+disp('K',Te,'The value of equivalent noise temp Te is '); \ No newline at end of file