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| author | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
| commit | 7bc77cb1ed33745c720952c92b3b2747c5cbf2df (patch) | |
| tree | 449d555969bfd7befe906877abab098c6e63a0e8 /3830/CH3 | |
| parent | d1e070fe2d77c8e7f6ba4b0c57b1b42e26349059 (diff) | |
| download | Scilab-TBC-Uploads-master.tar.gz Scilab-TBC-Uploads-master.tar.bz2 Scilab-TBC-Uploads-master.zip | |
Diffstat (limited to '3830/CH3')
| -rw-r--r-- | 3830/CH3/EX3.2/Ex3_2.sce | 18 | ||||
| -rw-r--r-- | 3830/CH3/EX3.3/Ex3_3.sce | 19 |
2 files changed, 37 insertions, 0 deletions
diff --git a/3830/CH3/EX3.2/Ex3_2.sce b/3830/CH3/EX3.2/Ex3_2.sce new file mode 100644 index 000000000..a16d30ee1 --- /dev/null +++ b/3830/CH3/EX3.2/Ex3_2.sce @@ -0,0 +1,18 @@ +// Exa 3.2
+
+clc;
+clear;
+
+// Given
+
+Noise = -90; // Minimum detectable signal (dbm)
+Ip = 300 ; // power level of third-order product(dbm)
+
+// Solution
+
+printf(' The expression for the dynamic range of the spectrum analyser = 2/3*(Ip-MDS) \n So, by calculations :-\n');
+
+DR = 2/3*(Ip-Noise);
+printf(' Dynamic range %.1f dB \n',DR);
+
+// The answer provided in the textbook is wrong
diff --git a/3830/CH3/EX3.3/Ex3_3.sce b/3830/CH3/EX3.3/Ex3_3.sce new file mode 100644 index 000000000..fb4e806cf --- /dev/null +++ b/3830/CH3/EX3.3/Ex3_3.sce @@ -0,0 +1,19 @@ +// Exa 3.3
+
+clc;
+clear;
+
+// Given
+
+NF = 30; // Noise figure in dB
+BW = 1; // Bandwidth of 3 dB filter in kHz
+
+// Solution
+
+printf(' The noise level of the spectrum analyser is related to the noise figure and the IF bandwidth by the following equation - \n MDS = -114 dbm + 10*log(BW/1MHz) + NF \n so, by calculation :- ');
+
+MDS = -114 + 10*log10(BW*10^3/10^6)+NF;
+
+printf(' MDS = %d dBm \n ' , MDS);
+
+// The answer provided in the textbook is wrong
|