Radio Receivers Indicate the false statement. Noting that no carrier is transmitter with J3E, we see that Production of AGC is a rather complicated process The receiver cannot use a phase comparator for AFC Adjacent-channel rejection is more difficult The transmission is not compatible with A3E Production of AGC is a rather complicated process The receiver cannot use a phase comparator for AFC Adjacent-channel rejection is more difficult The transmission is not compatible with A3E ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers The controlled oscillator synthesizer is sometimes preferred over the direct one because It does not require crystal oscillator It is a simpler piece of equipment Its frequency stability is better It is relatively free of spurious frequency It does not require crystal oscillator It is a simpler piece of equipment Its frequency stability is better It is relatively free of spurious frequency ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers Indicate which of the following circuits could not demodulate SSB: Balance modulator Phase discriminator Product modulator BFO Balance modulator Phase discriminator Product modulator BFO ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers If a FET is used as the first AF amplifier in a transistor receiver, this will have the effect of Reducing the effect of noise at low modulation depths Improving the effectiveness of the AGC Reducing the effect of negative-peak clipping Improving the selectivity of the receiver Reducing the effect of noise at low modulation depths Improving the effectiveness of the AGC Reducing the effect of negative-peak clipping Improving the selectivity of the receiver ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers Three-point tracking is achieved with Variable selectivity Double conversion Double spotting The padder capacitor Variable selectivity Double conversion Double spotting The padder capacitor ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers In a ratio detector the circuit is the same as in a discriminator, except that the diodes are reversed stabilization against signal strength variations is provided the linearity is worse than in phase discriminator the output is twice that obtainable from a similar phase discriminator the circuit is the same as in a discriminator, except that the diodes are reversed stabilization against signal strength variations is provided the linearity is worse than in phase discriminator the output is twice that obtainable from a similar phase discriminator ANSWER DOWNLOAD EXAMIANS APP