What are the applications of tuned amplifier?

There are some applications of tuned amplifier which are given below,

The tuned amplifier is used as intermediate frequency (IF) amplifier in a super heterodyne receiver.
It is used in UHF radio relay systems.
It is used as very narrow-band IF amplifier in a spectrum analyzer
It is used as wide band tuned amplifiers for Y-amplifiers in oscilloscopes.
It is used as RF amplifiers in receivers.
It is used as wide band tuned amplifiers for video amplification.
It is used as IF amplifier in a satellite transponder.

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