Curioustab

Home » Electronics and Communication Engineering » Radio Receivers

In a broadcast superheterodyne receiver

the local oscillator operates below the signal frequency
local oscillator frequency is normally double the IF
RF amplifier normally works at kHz above the carrier frequency
mixer input must be tuned to the signal frequency

Correct Answer: mixer input must be tuned to the signal frequency

← Previous Question Next Question→

More Questions from Radio Receivers

If the intermediate frequency of a superheterodyne receiver falls within the tuning range of the receiver
Which of the following oscillator is generally not used at VHF?
In a radio receiver, if the intermediate frequency is too high
A duplexer is a device used to
The sensitivity curve of a standard receiver is represented by
In a superheterodyne receiver with an IF of 450 kHz is tuned to a signal at 1200 kHz. The image frequency is
An unmodulated voltage 10 V effective is applied to a dioxide detector in which load resistance is 4 x 10-5 ohms. A micrometer shows that the rectified DC current in this resistance is 30 A. The input resistance of the detector is
RF amplifiers are used in radio receivers for
Which of the following should be used in order to prevent overloading or the last IF amplifier in a receiver?
The output of a diode detector contains

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion