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Diffstat (limited to '1895/CH6/EX6.11/EXAMPLE6_11.SCE')
| -rwxr-xr-x | 1895/CH6/EX6.11/EXAMPLE6_11.SCE | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/1895/CH6/EX6.11/EXAMPLE6_11.SCE b/1895/CH6/EX6.11/EXAMPLE6_11.SCE new file mode 100755 index 000000000..334b6ae3e --- /dev/null +++ b/1895/CH6/EX6.11/EXAMPLE6_11.SCE @@ -0,0 +1,22 @@ +//ANALOG AND DIGITAL COMMUNICATION
+//BY Dr.SANJAY SHARMA
+//CHAPTER 6
+//NOISE
+clear all;
+clc;
+printf("EXAMPLE 6.11(PAGENO 306)");
+
+//given
+F_1 = 9//noise figure for first stage in dB
+F_2 = 20//noise figure for second stage in dB
+A_1 = 15//gain in first 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
+A_1ratio = exp((A_1/10)*log(10));//gain of first stage in ratio
+F = F_1ratio + ((F_2ratio - 1)/(A_1ratio));
+ F_dB = 10*log10(F);
+
+ //results
+ printf("\n\nOverall noise figure = %.2f dB", F_dB );
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