Radio Receivers A low ratio of the ac to the dc load impedance of a diode detector results in Poor AGC operation Poor AF response Negative-peak clipping Diagonal clipping Poor AGC operation Poor AF response Negative-peak clipping Diagonal clipping ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers To prevent overloading of the IF amplifier in a receiver, one should use Squelch Variable sensitivity Double conversion Variable selectivity Squelch Variable sensitivity Double conversion Variable selectivity ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers Three-point tracking is achieved with Double conversion Variable selectivity The padder capacitor Double spotting Double conversion Variable selectivity The padder capacitor Double spotting ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers An AM receiver uses a diode detector for demodulation. This enables it satisfactorily to receive Single-sideband, suppressed-carrier ISB Single-sideband, reduced-carrier Single-sideband, full-carrier Single-sideband, suppressed-carrier ISB Single-sideband, reduced-carrier Single-sideband, full-carrier ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers The controlled oscillator synthesizer is sometimes preferred over the direct one because Its frequency stability is better It is relatively free of spurious frequency It is a simpler piece of equipment It does not require crystal oscillator Its frequency stability is better It is relatively free of spurious frequency It is a simpler piece of equipment It does not require crystal oscillator ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers The frequency generated by each decade in a direct frequency synthesizer is much higher than the frequency shown; this is done to Reduce the number of decades Increase the frequency stability of the synthesizer Reduce the spurious frequency problem Reduce the number of crystals required Reduce the number of decades Increase the frequency stability of the synthesizer Reduce the spurious frequency problem Reduce the number of crystals required ANSWER DOWNLOAD EXAMIANS APP
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