Radio Receivers
An AM receiver uses a diode detector for demodulation. This enables it satisfactorily to receive

Single-sideband, reduced-carrier
Single-sideband, full-carrier
Single-sideband, suppressed-carrier
ISB

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Radio Receivers
In a broadcast superheterodyne receiver, the

Local oscillator operates below the signal frequency
Mixer input must be tuned to the signal frequency
RF amplifier normally works at 455 kHz above the carrier frequency
Local oscillator frequency is normally double the IF

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Radio Receivers
In a radio receiver with simple AGC

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

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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
Production of AGC is a rather complicated process
Adjacent-channel rejection is more difficult

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