Q. In FM, which one is correct?

View solution

Q. In FM, increased depth of modulation increases

View solution

Q. Which of the following frequency is likely to be associated with AM radio broadcast?

View solution

Q. In which of the following schemes are several channels interleaved and transmitted together?

View solution

Q. The audio frequency range is

View solution

Q. Which of the following is an indirect method of generating FM?

View solution

Q. Figure of merit is always unity in

View solution

Q. Which of the following modulation is analog in nature?

View solution

Q. In the spectrum of a FM wave

View solution

Q. The gap width in audio heads is about 0.01 mm.

View solution

Q. The PAM Signal can be detected by

View solution

Q. FM is named so because

View solution

Q. Which statement is incorrect for the signal x(t) = 5 sin (2π x 10³t) sin (2π x 10⁶t)?

View solution

Q. In radio receivers, the value of IF is

View solution

Q. Which of the following microphones has lowest output impedance?

View solution

Q. High frequency waves are

View solution

Q. During fast forward operation of a tape recorder

View solution

Q. Homodyne detection means

View solution

Q. A radio station works at 800 kHz and uses AM. If this is a public broadcast system, it should transmit using

View solution

Q. In a superheterodyne broadcast receiver, the frequency of local oscillator is __________ the incoming signal frequency.

View solution