diff options
Diffstat (limited to '1655/CH6/EX6.22.1/Example_6_22_1.sce')
| -rwxr-xr-x | 1655/CH6/EX6.22.1/Example_6_22_1.sce | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/1655/CH6/EX6.22.1/Example_6_22_1.sce b/1655/CH6/EX6.22.1/Example_6_22_1.sce new file mode 100755 index 000000000..237ea6b80 --- /dev/null +++ b/1655/CH6/EX6.22.1/Example_6_22_1.sce @@ -0,0 +1,32 @@ +// Example 6.22.1 page 6.68
+
+clc;
+clear;
+
+f1=10d6; //frequency
+f2=100d6
+t=4d-9;
+Pdc=280d-6; //optincal output power
+
+w1=2*%pi*f1; //computing omega
+Pout1=Pdc*10^6/(sqrt(1+(w1*t)^2)); //computing output power
+
+w2=2*%pi*f2; //computing omega
+Pout2=Pdc*10^6/(sqrt(1+(w2*t)^2)); //computing output power
+
+printf("Ouput power at 10 MHz is %.2f microwatt.\nOuput power at 100 MHz is %.2f microwatt.\nConclusion when device is drive at higher frequency the optical power reduces.\nNOTE - calculation error. In the book square term in the denominater is not taken.",Pout1,Pout2);
+
+BWopt = sqrt(3)/(2*%pi*t);
+BWelec = BWopt/sqrt(2);
+BWopt=BWopt*10^-6;
+BWelec=BWelec*10^-6;
+
+printf("\n3 dB optical power is %.2f MHz.\n3 dB electrical power is %.2f MHz.",BWopt,BWelec);
+
+
+//calculation error. In the book square term in the denominater is not taken.
+//answers in the book -
+//Ouput power at 10 MHz is 228.7 microwatt.(incorrect)
+//Ouput power at 100 MHz is 175 microwatt.(incorrect)
+//3 dB optical power is 68.8 MHz, deviation of 0.12
+//3 dB electrical power is 48.79 MHz, deviation of 0.06
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