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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 /1223/CH12/EX12.19/Ex12_19.sce | |
| 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 '1223/CH12/EX12.19/Ex12_19.sce')
| -rwxr-xr-x | 1223/CH12/EX12.19/Ex12_19.sce | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/1223/CH12/EX12.19/Ex12_19.sce b/1223/CH12/EX12.19/Ex12_19.sce new file mode 100755 index 000000000..59487c6fc --- /dev/null +++ b/1223/CH12/EX12.19/Ex12_19.sce @@ -0,0 +1,14 @@ +clear;
+clc;
+//Example 12.19
+//T=b*100/(sqrt(1+(f/10^5)^2) angle=-3tan^-1(f/10^5)
+//stable at f180 at which phase becomes -180 degrees
+//-3*atan(f180/10^5)=-180
+f180=tand(180/3)*10^5;
+printf('\nfrequency at -180 degree=%ef Hz\n',f180)
+b=0.2;
+T=b*100/(sqrt(1+(f180/10^5)^2))^3;
+printf('\nmagnitude of the loop gain=%.2f\n',T)
+b=0.02;
+T=b*100/(sqrt(1+(f180/10^5)^2))^3;
+printf('\nmagnitude of the loop gain=%.2f\n',T)
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