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Correlations 2 : Communications 2nd Sem 2526
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A network that has an input of 75 dB and an output of 35dB. The loss of the network is _____
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What is the reference level for random noise measurement, FIA weighted?
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If bandwidth is doubled, the signal power is _____
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An input signal of 1.8 MHz mixed with a local oscillator of 5 MHz. A filter selects the difference signal. The output is
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What is the lowest number of sections required by communications receiver?
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Digital information is processed with a specified degree of
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In an FM transmitter, what is the result of over modulation?
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A superheterodyne is tuned to 2738 kHz. The IF is 475 kHz. What is the image frequency?
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When the power ratio of the output to input of a circuit is 200. What is the gain in dB?
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The local FM stereo rock station is at 96.5 MHz. What must be the local oscillator frequency?
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