Q. FM amplifier in a superheterodyne receiver

View solution

Q. Padders are used in a receiver to

View solution

Q. In a radio receiver, the local oscillator is tuned to a frequency

View solution

Q. Which of the following oscillator is generally not used at VHF?

View solution

Q. In a superheterodyne receiver, the IF is 455 kHz. If it is tuned to 1200 kHz, the image frequency will be

View solution

Q. The selectivity of most receivers is determined largely by

View solution

Q. In a superheterodyne receiver with an IF of 450 kHz is tuned to a signal at 1200 kHz. The image frequency is

View solution

Q. In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. If the intermediate frequency is 455 kHz. The rejection ratio at 25 MHz will be

View solution

Q. As compared to tuned radio frequency receivers which of the following is the advantage of using superheterodyne receivers?

View solution

Q. The selectivity of a radio receiver is

View solution

Q. If the intermediate frequency of a superheterodyne receiver falls within the tuning range of the receiver

View solution

Q. EM 84 tube is used in radio receivers as

View solution

Q. Which of the following statement about receivers is false?

View solution

Q. Modulated carrier power in FM

View solution

Q. FM receivers using the standard 88 to 108 MHz band use IF of

View solution

Q. Most of the amplification of the received signal is obtained in a superheterodyne receiver from the

View solution

Q. The problem associated with tuned-radio frequency receiver is

View solution

Q. Which of the following noise becomes of great importance at high frequencies?

View solution

Q. Superheterodyne receiver can be used in

View solution

Q. Which of the following statement about the advantage of phase discriminator over the slope detector is false?

View solution