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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /752/CH4/EX4.19.1 | |
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initial commit / add all books
Diffstat (limited to '752/CH4/EX4.19.1')
| -rwxr-xr-x | 752/CH4/EX4.19.1/4_19_1.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/752/CH4/EX4.19.1/4_19_1.sce b/752/CH4/EX4.19.1/4_19_1.sce new file mode 100755 index 000000000..156884346 --- /dev/null +++ b/752/CH4/EX4.19.1/4_19_1.sce @@ -0,0 +1,16 @@ +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 |