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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 /1895/CH6/EX6.19/EXAMPLE6_19.SCE | |
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initial commit / add all books
Diffstat (limited to '1895/CH6/EX6.19/EXAMPLE6_19.SCE')
| -rwxr-xr-x | 1895/CH6/EX6.19/EXAMPLE6_19.SCE | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/1895/CH6/EX6.19/EXAMPLE6_19.SCE b/1895/CH6/EX6.19/EXAMPLE6_19.SCE new file mode 100755 index 000000000..f4350b420 --- /dev/null +++ b/1895/CH6/EX6.19/EXAMPLE6_19.SCE @@ -0,0 +1,22 @@ +//ANALOG AND DIGITAL COMMUNICATION
+//BY Dr.SANJAY SHARMA
+//CHAPTER 6
+//NOISE
+clear all;
+clc;
+printf("EXAMPLE 6.19(PAGENO 310)");
+
+//given
+G_1 = 15//gain in first stage in dB
+F_1 = 9//noise figure for first stage in dB
+F_2 = 20//noise figure for second stage in dB
+
+//calculations
+F_1ratio = exp((F_1/10)*log(10));//noise figure of first stage in ratio
+F_2ratio = exp((F_2/10)*log(10));//noise figure of second stage in ratio
+G_1ratio = exp((G_1/10)*log(10));//gain of first stage in ratio
+F = F_1ratio + ((F_2ratio - 1)/(G_1ratio));//Overall noise figure
+F_dB= 10*log10(F)////Overall noise figure in dB
+
+//results
+printf("\n\nOverall noise figure = %.2f dB", F_dB );
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