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

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

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Radio Receivers
In a radio receiver with simple AGC

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

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

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

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