Communication Systems Circular polarization None of these Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave Is useful in discrimination between reception of adjacent beams None of these Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave Is useful in discrimination between reception of adjacent beams 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 2E 3E 4E 6E 2E 3E 4E 6E ANSWER DOWNLOAD EXAMIANS APP
Communication Systems An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz. 70.2 102.3 113 80.9 70.2 102.3 113 80.9 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A modem is classified as low speed if data rate handled is Upto 100 bps Upto 600 bps Upto 400 bps Upto 250 bps Upto 100 bps Upto 600 bps Upto 400 bps Upto 250 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To regulate oscillator I/P voltage To prevent overmodulation To increase bandwidth To reduce bandwidth To regulate oscillator I/P voltage To prevent overmodulation To increase bandwidth To reduce bandwidth ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If sampling is done at the rate of 10 kHz. The bandwidth required is 1280 kHz 70 kHz 35 kHz 10 kHz 1280 kHz 70 kHz 35 kHz 10 kHz ANSWER DOWNLOAD EXAMIANS APP
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