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Electronic Communication Systems 2nd Edition by Roy Blake
Edition 2ISBN: 978-0766826847Electronic Communication Systems 2nd Edition by Roy Blake
Edition 2ISBN: 978-0766826847 Exercise 18
A transmitter has an output power of 50 W. It is connected to its antenna by a feedline that is 25 m long and properly matched. The loss in the feedline is 5 dB/100 m. The antenna has a gain of 8.5 dBi.
(a) How much power reaches the antenna
(b) What is the EIRP in the direction of maximum antenna gain
(c) What is the power density 1 km from the antenna, in the direction of maximum gain, assuming free-space propagation
(d) What is the electric field strength at the location in part (c)
(a)
(b)
(c)
(d)
(a) How much power reaches the antenna
(b) What is the EIRP in the direction of maximum antenna gain
(c) What is the power density 1 km from the antenna, in the direction of maximum gain, assuming free-space propagation
(d) What is the electric field strength at the location in part (c)
(a)
(b)
(c)
(d)
Explanation
Verified
Verified
(a)
Step 1:
First, find the output power...
Electronic Communication Systems 2nd Edition by Roy Blake
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