Radio Receivers Indicate the false statement in connection with communications receivers. A product demodulator could be used for the reception of Morse code. Double conversion is used to improve image rejection The noise limiter cuts off the receiver’s output during a noise pulse. Variable sensitivity is used to eliminate selective fading A product demodulator could be used for the reception of Morse code. Double conversion is used to improve image rejection The noise limiter cuts off the receiver’s output during a noise pulse. Variable sensitivity is used to eliminate selective fading ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers Three-point tracking is achieved with The padder capacitor Variable selectivity Double conversion Double spotting The padder capacitor Variable selectivity Double conversion Double spotting ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers Indicate the false statement. Noting that no carrier is transmitter with J3E, we see that Adjacent-channel rejection is more difficult Production of AGC is a rather complicated process 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 The receiver cannot use a phase comparator for AFC The transmission is not compatible with A3E ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers The image frequency of a superheterodyne receiver Is due to insufficient adjacent channel rejection Is independent of the frequency to which the receiver is tuned Is created within the receiver itself Is not rejected be the IF tuned circuits Is due to insufficient adjacent channel rejection Is independent of the frequency to which the receiver is tuned Is created within the receiver itself Is not rejected be the IF tuned circuits ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers One of the following cannot be used to demodulate SSB: Product detector Bipolar transistor balanced modulator Diode Balance modulator Complete phase-shift generator Product detector Bipolar transistor balanced modulator Diode Balance modulator Complete phase-shift generator ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers In a radio receiver with simple AGC 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 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 The highest AGC voltage is produced ANSWER DOWNLOAD EXAMIANS APP
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