ECE :: Communication Systems
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The diagonal clipping in Amplitude Demodulation using (envelope detector) can be avoided if Rc time constant of the envelope detector satisfies the following condition here ω is message bandwidth and ωc is carrier frequency both in rad sec,
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To select one out of N equally probable events, the number of bits required is
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The RF section of a radio transmit generally consists of
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In case of a low level AM transmitter, the amplifier modulated stage must be
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The device most likely to be found in an SSB transmitter is
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Point out the false statement
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In a low level AM system, the modulated amplifiers stage must be
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An angle modulated signal is expressed by fa(t) = cos (2 x 108 pt) + 75 sin (2 x 103 pt). The peak frequency deviation of the carrier is
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