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
If a FET is used as the first AF amplifier in a transistor receiver, this will have the effect of

Reducing the effect of noise at low modulation depths
Improving the effectiveness of the AGC
Improving the selectivity of the receiver
Reducing the effect of negative-peak clipping

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