Radio Receivers Indicate which of the following statements about the advantages of the phase discriminator over the slope detector is false: Fewer tuned circuits Much easier alignment Better linearity Greater limiting Fewer tuned circuits Much easier alignment Better linearity Greater limiting ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers In a broadcast superheterodyne receiver, the Mixer input must be tuned to the signal frequency RF amplifier normally works at 455 kHz above the carrier frequency Local oscillator operates below the signal frequency Local oscillator frequency is normally double the IF Mixer input must be tuned to the signal frequency RF amplifier normally works at 455 kHz above the carrier frequency Local oscillator operates below the signal frequency Local oscillator frequency is normally double the IF ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers In a radio receiver with simple AGC An increase in signal strength produces more AGC The highest AGC voltage is produced The audio stage gain is normally controlled by the AGC The faster the AGC time constant the more accurate the output An increase in signal strength produces more AGC The highest AGC voltage is produced The audio stage gain is normally controlled by the AGC The faster the AGC time constant the more accurate the output ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers One of the following cannot be used to demodulate SSB: Product detector Complete phase-shift generator Bipolar transistor balanced modulator Diode Balance modulator Product detector Complete phase-shift generator Bipolar transistor balanced modulator Diode Balance modulator ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers Three-point tracking is achieved with Variable selectivity The padder capacitor Double spotting Double conversion Variable selectivity The padder capacitor Double spotting Double conversion ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers A superheterodyne receiver with an IF of 450 kHz is tuned to a signal at 1200 kHz. The image frequency is 750 kHz 1650 kHz 900 kHz 2100 kHz 750 kHz 1650 kHz 900 kHz 2100 kHz ANSWER DOWNLOAD EXAMIANS APP