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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/CH2/EX2.36/exmp2_36.sce | |
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Diffstat (limited to '1691/CH2/EX2.36/exmp2_36.sce')
| -rwxr-xr-x | 1691/CH2/EX2.36/exmp2_36.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/1691/CH2/EX2.36/exmp2_36.sce b/1691/CH2/EX2.36/exmp2_36.sce new file mode 100755 index 000000000..71fefb29b --- /dev/null +++ b/1691/CH2/EX2.36/exmp2_36.sce @@ -0,0 +1,17 @@ +//Example 2.36
+clc
+disp("f = 2 kHz")
+disp("f = 1/ 2*pi*R*c*sqrt(6) ...For phase shift oscillator")
+disp("Choose C = 1 nF")
+r=(1/(2*%pi*2*sqrt(6)*10^-6))*10^-3
+format(7)
+disp(r,"Therefore, r(in k-ohm) =")
+disp("Select FET with g_m = 5000 us and r_d = 50 k-ohm")
+disp("For phase shift oscillator, |A| >= 29 and |A| = g_m*R_L")
+disp("Therefore, g_m*R_L >= 29")
+rl=(29/(5000*10^-6))*10^-3
+disp(rl,"i.e. R_L(in k-ohm) >= 29/g_m >=")
+disp("Select R_L = 6.8 k-ohm")
+disp("But R_L = R_D*r_d / R_D+r_d")
+rd=7.87
+disp(rd,"Therefore, R_D(in k-ohm) =")
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