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A radio receiver operating at 477MHz with minimum sensitivity of -85dBm is connected to an antenna...

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Electrical Engineering

A radio receiver operating at 477MHz with minimum sensitivity of-85dBm is connected to an antenna with gain +12dBi using a feedercable with loss of -3dB.The transmitter is 40Km away and uses aparabolic antenna with gain of +23dBi. The transmitter feeds theantenna through a coaxial cable with -6dB loss. What is the minimumtransmitter power required for reliable operation of the linkassuming a fade margin of 10dB?

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