5. One of the purposes of a(n) is to emit an electromagnetic signal into air or

Question

5. One of the purposes of a(n) is to emit an electromagnetic signal into air or space. a antenna b. modulator c. filter d. mixer A transmitter generates a 15 dBm signal and is connected to an antenna using a cable that has 3 dB loss. The cable has two connectors that induce a loss of 2 dB each. What is the 6. signal level at the input of the antenna? a. 8 dBmm b. 10 dB c. 22 dBm d. 3 db 7, A(n)- antenna transmits a signal in all directions with relatively equal intensity a multidirectional b. phased array c. directional d. omnidirectional 8. Between the transmitting antenna and the receiving antenna, a signal will always be subject to a gain b. amplification c. free space loss d. reflection e. diffraction

Explanation / Answer

5)
a) Antenna

6)
a) 8 dBm
15 - 3 - 2*2 = 15-7 = 8dBm

7)
d) Omnidection

8)
c) Free space loss

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