Radio Receivers One of the following cannot be used to demodulate SSB: Bipolar transistor balanced modulator Diode Balance modulator Complete phase-shift generator Product detector Bipolar transistor balanced modulator Diode Balance modulator Complete phase-shift generator Product detector ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers The controlled oscillator synthesizer is sometimes preferred over the direct one because It is a simpler piece of equipment Its frequency stability is better It is relatively free of spurious frequency It does not require crystal oscillator It is a simpler piece of equipment Its frequency stability is better It is relatively free of spurious frequency It does not require crystal oscillator ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers To prevent overloading of the IF amplifier in a receiver, one should use Double conversion Squelch Variable sensitivity Variable selectivity Double conversion Squelch Variable sensitivity Variable selectivity ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers Indicate which of the following circuits could not demodulate SSB: Phase discriminator Balance modulator Product modulator BFO Phase discriminator Balance modulator Product modulator BFO ANSWER DOWNLOAD EXAMIANS APP
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 The transmission is not compatible with A3E Adjacent-channel rejection is more difficult The receiver cannot use a phase comparator for AFC Production of AGC is a rather complicated process The transmission is not compatible with A3E Adjacent-channel rejection is more difficult ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers The local oscillator of a broadcast receiver is tuned to a frequency higher than the incoming frequency To permit easier tracking To allow adequate frequency coverage without switching To help the image frequency rejection Because otherwise an intermediate frequency could not be produced To permit easier tracking To allow adequate frequency coverage without switching To help the image frequency rejection Because otherwise an intermediate frequency could not be produced ANSWER DOWNLOAD EXAMIANS APP
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