Radio Receivers
Indicate the false statement. Noting that no carrier is transmitter with J3E, we see that

The receiver cannot use a phase comparator for AFC
Production of AGC is a rather complicated process
Adjacent-channel rejection is more difficult
The transmission is not compatible with A3E

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Radio Receivers
In a radio receiver with simple AGC

An increase in signal strength produces more AGC
The audio stage gain is normally controlled by the AGC
The highest AGC voltage is produced
The faster the AGC time constant the more accurate the output

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

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

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