Communication Systems SSB can be generated by Phase cancellation method Good attenuation characteristics All of these Filter method Phase cancellation method Good attenuation characteristics All of these Filter method ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Assertion (A): In FM the frequency of the carrier is varied by the modulating voltageReason (R): FM and PM are two forms of angle modulation. A is wrong but R is correct Both A and R are correct and R is correct explanation of A A is correct but R is wrong Both A and R are correct but R is not correct explanation of A A is wrong but R is correct Both A and R are correct and R is correct explanation of A A is correct but R is wrong Both A and R are correct but R is not correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A buffer amplifier is None of these A double-tuned amplifier A cathode follower stage A high gain D.C. amplifier None of these A double-tuned amplifier A cathode follower stage A high gain D.C. amplifier ANSWER DOWNLOAD EXAMIANS APP
Communication Systems One of the advantages of base modulation over collector modulation of a transistor class C amplifier is Improved efficiency The lower modulating power requirement Better linearity High power output per transistor Improved efficiency The lower modulating power requirement Better linearity High power output per transistor ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is 1 15 8 16 1 15 8 16 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is an indirect way of generating FM? Reactance FET modulator Varactor diode modulator Reactance bipolar transistor Armstrong modulator Reactance FET modulator Varactor diode modulator Reactance bipolar transistor Armstrong modulator ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS