EXAMIANS
If sampling is done at the rate of 10 kHz. The bandwidth required is
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A telephone channel requires a bandwidth of about
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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.
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The characteristic impedance of a twin wire feeder used for TV signals is about
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What is the purpose of peak clipper circuits in radio transmitters?
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VSB modulation is preferred in TV because
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One of the advantages of base modulation over collector modulation of a transistor class C amplifier is
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As per Shannon-Hartley theorem, a noise less Gaussian channel has
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An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz.
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The maximum power output of a standard A earth station over the total band allocated to satellite communication is about
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