Communication Systems A woofer should be fed from the input through a Band stop filter High pass filter Low pass filter Band pass filter Band stop filter High pass filter Low pass filter Band pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For AM receivers the standard IF frequency is 106 kHz 10.7 MHz 1.07 MHz 455 kHz 106 kHz 10.7 MHz 1.07 MHz 455 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The characteristic impedance of a twin wire feeder used for TV signals is about 300 ohm 100 ohm 500 ohm 1000 ohm 300 ohm 100 ohm 500 ohm 1000 ohm 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 3E 2E 6E 4E 3E 2E 6E 4E ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In case of frequency modulation, modulating voltage remains constant if the modulating frequency is lowered, then Amplitude of distant sidebands remains constant Amplitude of distant sidebands decreases Amplitude of distant sidebands increases Amplitude of distant sidebands first increases, then decreases Amplitude of distant sidebands remains constant Amplitude of distant sidebands decreases Amplitude of distant sidebands increases Amplitude of distant sidebands first increases, then decreases ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is a digital modulation technique? PSK PCM All DM PSK PCM All DM ANSWER DOWNLOAD EXAMIANS APP