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Correlations 2 : Communications 2nd Sem 2526
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The outline of the peaks of a carrier has the shape of the modulating signal and is called the
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Is the reduction of signal amplitude as it passed over the transmission medium?
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One of the following transmits only one sideband
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_____ is the function which tends to maintain the sound volume level of a voice receiver nearly constant for a large signal strength range
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Extra-terrestrial noise is observable at frequencies from
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In an FM receiver, the circuit that keeps the receiver tuned exactly to the desired station is _____
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The term used to refer to the condition where the signals from a very strong station are superimposed on other signals being received
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Modulator circuit performs what mathematical operation on its two inputs?
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A system having an input power of 2 mW an output power of 0.8 mW has a loss of:
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In an AM communication system, an increase in transmitter power from 25 W to 30 W will cause the antenna current to increase from 700 mA to
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