Communication Systems Leak type bias is used in plate modulated class C amplifier to Prevent excessive grid current Prevent over modulation Increase the bandwidth Prevent tuned circuit damping Prevent excessive grid current Prevent over modulation Increase the bandwidth Prevent tuned circuit damping ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Neither A nor B Half duplex arrangement Either A or B Duplex arrangement Neither A nor B Half duplex arrangement Either A or B Duplex arrangement ANSWER DOWNLOAD EXAMIANS APP
Communication Systems To eliminate ghosts in the picture Twist the transmission line Change the antenna orientation of location Use a longer transmission line Connect a booster Twist the transmission line Change the antenna orientation of location Use a longer transmission line Connect a booster ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Pulse Code Modulation system Quantising noise can be reduced by decreasing the number of standard levels Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be overcome by companding Large bandwidth is required Quantising noise can be reduced by decreasing the number of standard levels Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be overcome by companding Large bandwidth is required ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as 4E 6E 3E 2E 4E 6E 3E 2E 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
EXAMIANS