Communication Systems If in a broadcasting studio, a 1000 kHz carrier is modulated by an audio signal of frequency range 100-5000 kHz, the width of channel is __________ kHz. 10 4.9 5 995 10 4.9 5 995 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by Good attenuation characteristics Filter method Phase cancellation method All of these Good attenuation characteristics Filter method Phase cancellation method All of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems When the length of antenna is a whole wavelength The radiation at right angles is maximum The radiation is maximum in all directions The radiation is zero in all directions The radiation at right angles is zero The radiation at right angles is maximum The radiation is maximum in all directions The radiation is zero in all directions The radiation at right angles is zero ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is an indirect way of generating FM? Reactance bipolar transistor Armstrong modulator Varactor diode modulator Reactance FET modulator Reactance bipolar transistor Armstrong modulator Varactor diode modulator Reactance FET modulator ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Commercial Frequency deviation of FM is 75 kHz 70 kHz 65 kHz 80 kHz 75 kHz 70 kHz 65 kHz 80 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The characteristic impedance of a twin wire feeder used for TV signals is about 100 ohm 500 ohm 300 ohm 1000 ohm 100 ohm 500 ohm 300 ohm 1000 ohm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS