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Correlations 2 : Communications 2nd Sem 2526
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An FM receiver with an I-F of 10.7 MHz is tuned to 98.7 MHz. What is the numerical value of the image frequency?
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Noise figure for an amplifier with noise is always
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A passive circuit, usually consisting of capacitance and/or inductance, that is inserted in series with the a-c power cord of an electronic device which allow the 60-Hz current to pass and suppressed high frequency noise components.
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Denote the interference of noise in dB above an adjusted reference noise. The adjusted reference noise level was a 1 kHz tone, set at – 85 dBm
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The superheterodyne circuit uses a local oscillator to _____ with the RF signal of the station and converts the carrier to the intermediate frequency
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Stages that are common to both AM and FM receivers
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A carrier of 880 kHz is modulated by a 3.5-kHz sine wave. The LSB and USB are respectively,
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For an IF frequency of 455 kHz, what must be the LO frequency when receiving a 580 kHz transmission?
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