Radio Receivers Show which of the following statements about the amplitude limiter is untrue: The circuit is always biased in class C, by virtue of the leak-type bias. When the input increases past the threshold of the limiting, the gain decreases to keep the output constant. The output must be tuned Leak-type bias must be used The circuit is always biased in class C, by virtue of the leak-type bias. When the input increases past the threshold of the limiting, the gain decreases to keep the output constant. The output must be tuned Leak-type bias must be used ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers When a receiver has good blocking performance, this means that Its detector suffers from burnout Its image frequency rejection is poor It does not suffer from double-spotting It is unaffected by AGC derived from nearby transmissions Its detector suffers from burnout Its image frequency rejection is poor It does not suffer from double-spotting It is unaffected by AGC derived from nearby transmissions ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers Three-point tracking is achieved with Double conversion The padder capacitor Double spotting Variable selectivity Double conversion The padder capacitor Double spotting Variable selectivity 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 Because otherwise an intermediate frequency could not be produced To help the image frequency rejection To permit easier tracking To allow adequate frequency coverage without switching Because otherwise an intermediate frequency could not be produced To help the image frequency rejection 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: Better linearity Much easier alignment Greater limiting Fewer tuned circuits Better linearity Much easier alignment Greater limiting Fewer tuned circuits ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers To prevent overloading of the IF amplifier in a receiver, one should use Double conversion Variable sensitivity Squelch Variable selectivity Double conversion Variable sensitivity Squelch Variable selectivity ANSWER DOWNLOAD EXAMIANS APP
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