Radio Receivers
One of the following cannot be used to demodulate SSB:

Bipolar transistor balanced modulator
Product detector
Complete phase-shift generator
Diode Balance modulator

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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
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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