Radio Receivers In a ratio detector stabilization against signal strength variations is provided the circuit is the same as in a discriminator, except that the diodes are reversed the linearity is worse than in phase discriminator the output is twice that obtainable from a similar phase discriminator stabilization against signal strength variations is provided the circuit is the same as in a discriminator, except that the diodes are reversed the linearity is worse than in phase discriminator the output is twice that obtainable from a similar phase discriminator ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers Indicate which of the following circuits could not demodulate SSB: Phase discriminator Balance modulator Product modulator BFO Phase discriminator Balance modulator Product modulator BFO ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers To prevent overloading of the IF amplifier in a receiver, one should use Double conversion Variable sensitivity Variable selectivity Squelch Double conversion Variable sensitivity Variable selectivity Squelch ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers An AM receiver uses a diode detector for demodulation. This enables it satisfactorily to receive Single-sideband, reduced-carrier Single-sideband, full-carrier ISB Single-sideband, suppressed-carrier Single-sideband, reduced-carrier Single-sideband, full-carrier ISB Single-sideband, suppressed-carrier ANSWER DOWNLOAD EXAMIANS APP
Radio Receivers If the intermediate frequency is very high (indicate false statement) Tracking will be improved The local oscillator need not be extremely stable Image frequency rejection is very good The selectivity will be poor Tracking will be improved The local oscillator need not be extremely stable Image frequency rejection is very good The selectivity will be poor 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 Improving the selectivity of the receiver Reducing the effect of negative-peak clipping Improving the effectiveness of the AGC Reducing the effect of noise at low modulation depths Improving the selectivity of the receiver Reducing the effect of negative-peak clipping Improving the effectiveness of the AGC Reducing the effect of noise at low modulation depths ANSWER DOWNLOAD EXAMIANS APP
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