Communication Systems The frequency range of 300 kHz to 3000 kHz is known as Medium frequency High frequency Very high frequency Low frequency Medium frequency High frequency Very high frequency Low frequency 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 VSB modulation is preferred in TV because It avoids phase distortion at low frequencies It reduces the bandwidth requirement to half It results in better reception None of these It avoids phase distortion at low frequencies It reduces the bandwidth requirement to half It results in better reception None of these 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. 80.9 113 70.2 102.3 80.9 113 70.2 102.3 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The disadvantage of FM over AM is that High modulating power is needed Large bandwidth is required High output power is needed Noise is very high for high frequency High modulating power is needed Large bandwidth is required High output power is needed Noise is very high for high frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In practical commercial FM system, channel bandwidth is 108 MHz 150 kHz 100 kHz 88 MHz 108 MHz 150 kHz 100 kHz 88 MHz ANSWER DOWNLOAD EXAMIANS APP