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Diffstat (limited to '3547/CH2/EX2.14')
| -rw-r--r-- | 3547/CH2/EX2.14/2_14.jpg | bin | 0 -> 56217 bytes | |||
| -rw-r--r-- | 3547/CH2/EX2.14/Ex2_14.sce | 22 |
2 files changed, 22 insertions, 0 deletions
diff --git a/3547/CH2/EX2.14/2_14.jpg b/3547/CH2/EX2.14/2_14.jpg Binary files differnew file mode 100644 index 000000000..31fdf9d27 --- /dev/null +++ b/3547/CH2/EX2.14/2_14.jpg diff --git a/3547/CH2/EX2.14/Ex2_14.sce b/3547/CH2/EX2.14/Ex2_14.sce new file mode 100644 index 000000000..0ae8013b4 --- /dev/null +++ b/3547/CH2/EX2.14/Ex2_14.sce @@ -0,0 +1,22 @@ +// Example No. 2.14
+// To calculate the lower limit on the transmitter power in dBm and mW units.
+// Page No. 83
+
+clc;
+clear;
+
+// Given data
+l=80; // Length of fiber in km
+F1=-0.2*l; // Fiber loss in dB
+F2=-0.5; // Filter loss in dB
+G=15; // Amplifier gain in dB
+Pout=-3; // Minimum power required at the receiver in dBm
+
+// Lower limit on the transmitter power
+Pin=Pout-F1-F2-G; // Lower limit on the transmitter power in dBm
+PinmW=10^(0.1*Pin); // Lower limit on the transmitter power in mW
+
+// Displaying the result in command window
+printf('\n The lower limit on the transmitter power in dBm = %0.1f',Pin);
+printf('\n The lower limit on the transmitter power in mW = %0.4f',PinmW);
+
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