ECE :: Communication Systems
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In a 4-ary FSK, the frequencies are separated by fs. Then they are
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In which of the following frequency bands are the standard AM radio broadcast stations?
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The frequency tolerance for the RF carrier in the standard AM radio broadcast band is
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If carrier is modulated by a digital bit stream having one of the possible phases of 0°, 90°, 180°, and 270°, then modulation is called
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In FM, the frequency deviation is
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If fh(t) is the Hilbert transform of f(t), and f(t) is a real valued signal, the pre-envelope of f(t) is
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In which frequency range is the noise figure in a transistor independent of frequency
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Which of the following is likely to be associated with FM radio broadcasting?
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