Communication Systems An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz. 113 102.3 80.9 70.2 113 102.3 80.9 70.2 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems One of the advantages of base modulation over collector modulation of a transistor class C amplifier is High power output per transistor Improved efficiency The lower modulating power requirement Better linearity High power output per transistor Improved efficiency The lower modulating power requirement Better linearity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For AM receivers the standard IF frequency is 455 kHz 10.7 MHz 1.07 MHz 106 kHz 455 kHz 10.7 MHz 1.07 MHz 106 kHz 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 6E 3E 4E 2E 6E 3E 4E ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a TV receiver antenna the length of reflector rod Is the same as that of dipole Is more than that of dipole May be equal, more or less than that of dipole Is less than that of dipole Is the same as that of dipole Is more than that of dipole May be equal, more or less than that of dipole Is less than that of dipole ANSWER DOWNLOAD EXAMIANS APP
Communication Systems An audio signal (say from 50 Hz to 10000 Hz) is frequency translated by a carrier having a frequency of 106 Hz. The values of initial (without frequency translation) and final (after frequency translation) fractional change in frequency from one band edge to the other are 200 and 1.01 200 and 10.01 200 and 200 200 and 100.1 200 and 1.01 200 and 10.01 200 and 200 200 and 100.1 ANSWER DOWNLOAD EXAMIANS APP
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