Radio Receivers One of the following cannot be used to demodulate SSB: Diode Balance modulator Complete phase-shift generator Product detector Bipolar transistor balanced modulator Diode Balance modulator Complete phase-shift generator Product detector Bipolar transistor balanced modulator ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers A low ratio of the ac to the dc load impedance of a diode detector results in Poor AGC operation Diagonal clipping Poor AF response Negative-peak clipping Poor AGC operation Diagonal clipping Poor AF response Negative-peak clipping ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers The local oscillator of a broadcast receiver is tuned to a frequency higher than the incoming frequency Because otherwise an intermediate frequency could not be produced To permit easier tracking To help the image frequency rejection To allow adequate frequency coverage without switching Because otherwise an intermediate frequency could not be produced To permit easier tracking To help the image frequency rejection To allow adequate frequency coverage without switching ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers Indicate which of the following statements about the advantages of the phase discriminator over the slope detector is false: Fewer tuned circuits Greater limiting Much easier alignment Better linearity Fewer tuned circuits Greater limiting Much easier alignment Better linearity ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers When a receiver has good blocking performance, this means that It does not suffer from double-spotting Its image frequency rejection is poor It is unaffected by AGC derived from nearby transmissions Its detector suffers from burnout It does not suffer from double-spotting Its image frequency rejection is poor It is unaffected by AGC derived from nearby transmissions Its detector suffers from burnout ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers In a radio receiver with simple AGC The audio stage gain is normally controlled by the AGC The highest AGC voltage is produced An increase in signal strength produces more AGC The faster the AGC time constant the more accurate the output The audio stage gain is normally controlled by the AGC The highest AGC voltage is produced An increase in signal strength produces more AGC The faster the AGC time constant the more accurate the output ANSWER DOWNLOAD EXAMIANS APP