Radio Receivers
Indicate which of the following circuits could not demodulate SSB:

Phase discriminator
Product modulator
Balance modulator
BFO

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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.
Double conversion is used to improve image rejection
A product demodulator could be used for the reception of Morse code.
Variable sensitivity is used to eliminate selective fading

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