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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 /1691/CH6/EX6.6 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1691/CH6/EX6.6')
| -rwxr-xr-x | 1691/CH6/EX6.6/Exmp6_6.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/1691/CH6/EX6.6/Exmp6_6.sce b/1691/CH6/EX6.6/Exmp6_6.sce new file mode 100755 index 000000000..d2a9206c1 --- /dev/null +++ b/1691/CH6/EX6.6/Exmp6_6.sce @@ -0,0 +1,16 @@ +//Example 6.6
+clc
+disp("R_L = 4 k-ohm, (P_ac)_D = 0.85 W")
+disp("The current without signal is I_CQ = 31 mA")
+disp("The current with signal is I_CQ + B0 = 34 mA")
+disp("The increase is due to harmonic content in the signal")
+disp("Therefore, B0 = 34 - 31 = 3 mA")
+disp("But, B2 = B0 = 3 mA")
+disp("Now (P_ac)_D = P_ac * [1+D2^2] ... Assuming only second harmonic")
+disp("Therefore, (P_ac)_D = 1/2*B1^2*R_L * [1 + B2^2/B1^2]")
+disp("Therefore, (P_ac)_D = 1/2*B1^2*R_L + 1/2*B2^2*R_L")
+disp("0.85 = 1/2*B1^2*(4*10^3) + 1/2*(9*10^-6)*(4*10^3)")
+disp("Therefore, B1 = 20.396 mA")
+d2=300/20.396
+format(7)
+disp(d2,"Therefore, D2(in percentage) = |B2|/|B1| * 100 =")
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