ECE :: Communication Systems
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In a two stage cascade amplifier the equivalent noise temperatures are Te1 and Te2. If the gains of the two stages are G1 and G2, the overall noise temperature Te is
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The modulation index of a narrowband FM signal is
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Which of the following noise sources is different from others?
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For the transmission of normal speech, the PCM channel needs a bandwidth of __________ kHz.
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In a plate modulated class C amplifier, the peak supply voltage is V. The maximum plate-cathode voltage can be
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In a single sideband suppressed carrier AM system, the modulation index is changed from 0 to 1, the power content of the signal
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Neper is
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A p matching network for coupling the transmitter output of the antenna is shown in figure.
In this C2 should be tuned for
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