The waves used for line-of-sight (LOS) communication is
Question 2
In a common base amplifier, the phase difference between input and output is
Question 3
A telephonic communication service is working at carrier frequency
of 10 GHz. Only 10% of it is utilized for transmission. How many telephonic
channels can be transmitted simultaneously if each channel requires a bandwidth
of 5 kHz?
Question 4
The carrier frequency in an FM modulator is 500 kHz.
If the modulating frequency is 3 kHz. What are the upper
sideband and two lower sideband frequencies?
Question 5
A sinusoidal wave carrier voltage of frequency 2 MHz and
amplitude 200 volts is amplitude modulated by the sinusoidal
voltage of frequency 10 kHz producing modulation. Calculate the
frequency and amplitude of upper and lower sidebands.
Question 6
Which of the following is/are drawback of Amplitude Modulation?
Question 7
Which of the following is true for Frequency Modulation?
Question 8
For ground wave transmission which of the following is true.
Question 9
The waves used for line-of-sight (LOS) communication is
Question 10
The waves used for line-of-sight (LOS) communication is
Time Left -