Question
a.
the local oscillator frequency is made higher than the incoming signal frequency
b.
the local oscillator frequency is made lower than the incoming signal frequency
c.
the local oscillator frequency is made equal to the incoming signal frequency
d.
None of the above
Posted under Electronics and Communication Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. In a radio receiver
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. In radio receiver, the maximum contribution to noise is from
View solution
Q. Power spectral density of white noise
View solution
Q. In a FM waveform, the side bands are spaced at intervals equal to
View solution
Q. In a transistor receiver, the use of FET as the first stage amplifier is likely to
View solution
Q. The household radio receiver uses
View solution
Q. The source of which of the following noise is different from that of the remaining?
View solution
Q. A receiver having poor IF selectivity will also have poor
View solution
Q. Statement 1:
Diode is the most common device used for demodulation.
Statement 2:
A discriminator is a FM detector.
View solution
Q. In a receiver, which of the following device has RF input but IF output?
View solution
Q. The IF stage of a receiver employs
View solution
Q. A FM signal with modulation index Mf is passed through a frequency doubler. The wave in the output of the doubler will have modulation index of
View solution
Q. Double spotting in a receiver is due to
View solution
Q. Three point tracking can be achieved with
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. In receivers operating upto the limit of shortwave broadcasting the local oscillator often used is
View solution
Q. RF amplifiers are used in radio receivers for
View solution
Q. In an FM signal, the power
View solution
Q. 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 efficiency of detection is
View solution
Q. Selectivity varies with receiving frequency, frequency is raised.
View solution
Q. A receiver having an RF amplifier and an IF of 450 kHz, has Q of the coils 65 and an incoming frequency of 1200 kHz. The image rejection of the receiver is
View solution
Q. A padder is basically a/an
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!