Radio Receivers
When a receiver has good blocking performance, this means that

It does not suffer from double-spotting
It is unaffected by AGC derived from nearby transmissions
Its detector suffers from burnout
Its image frequency rejection is poor

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Radio Receivers
Indicate the false statement in connection with communications receivers.

The noise limiter cuts off the receiver’s output during a noise pulse.
Variable sensitivity is used to eliminate selective fading
Double conversion is used to improve image rejection
A product demodulator could be used for the reception of Morse code.

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