diff options
| 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/EX2.26 | |
| 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/CH2/EX2.26')
| -rwxr-xr-x | 1691/CH2/EX2.26/exmp2_26.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/1691/CH2/EX2.26/exmp2_26.sce b/1691/CH2/EX2.26/exmp2_26.sce new file mode 100755 index 000000000..be3de8c3f --- /dev/null +++ b/1691/CH2/EX2.26/exmp2_26.sce @@ -0,0 +1,27 @@ +//Example 2.26
+clc
+disp("(1) f = 1 / 2*pi*sqrt(L*C_eq)")
+ceq=(100*500)/600
+format(7)
+disp(ceq,"Where C_eq(in pF) = C1*C2 / C1+C2 =")
+f=(1/(2*%pi*sqrt(40*83.333*10^-15)))*10^-3
+format(8)
+disp(f,"f(in kHz) =")
+disp("(2) The input voltage is not required for the oscillator. The feedback voltage, which is the part of the output voltage is enough to drive the oscillator")
+disp("V0 = 10 V")
+disp("For Colpitts oscillator, gain = C2 / C1")
+gain=500/100
+disp(gain,"Therefore, Gain =")
+fv=10/5
+disp(fv,"Therefore, Feedback voltage(in V) = V0 / Gain =")
+disp("(3) Minimum gain = C2/C1 = 5")
+disp("h_fe(min) = C2/C1 = 5")
+disp("(4) Gain = 10 = C2/C1")
+c1=500/10
+disp(c1,"Therefore, C1(in pF) =")
+disp("(5) For C1 = 50 pF and C2 = 500 pF")
+ceq=(50*500)/550
+format(8)
+disp(ceq,"Where C_eq(in pF) = C1*C2 / C1+C2 =")
+f=(1/(2*%pi*sqrt(40*45.4545*10^-15)))*10^-3
+disp(f,"f(in kHz) = 1 / 2*pi*sqrt(L*C_eq) =")
|