Radio Receivers
Indicate which of the following statements about the advantages of the phase discriminator over the slope detector is false:

Better linearity
Fewer tuned circuits
Much easier alignment
Greater limiting

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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
The transmission is not compatible with A3E
Adjacent-channel rejection is more difficult
Production of AGC is a rather complicated process

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Radio Receivers
The local oscillator of a broadcast receiver is tuned to a frequency higher than the incoming frequency

To help the image frequency rejection
Because otherwise an intermediate frequency could not be produced
To allow adequate frequency coverage without switching
To permit easier tracking

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