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General Knowledge
Verbal Reasoning
Computer Science
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Radio Receivers
The output of a diode detector contains
D.C. voltage
modulating signal
RF ripple
all of the above
Correct Answer:
all of the above
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Radio Receivers
A heterodyne frequency changer is called a
Modulated carrier power in FM
When fs is the signal frequency and fi is the intermediate frequency, then image frequency fsi is given by
As compared to tuned radio frequency receivers which of the following is the advantage of using superheterodyne receivers?
Padders are used in a receiver to
Most popular IF for receivers tuning to 540 to 1650 kHz is
In a ratio detector
Standard AM radio broadcasts are confined to
In a communication system, noise is most likely to affect the signal
In a receiver, which of the following device has IF input but RF output?
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