(a) Express the transmit power in units of dBW (decibel-watt) and dBm (decibel- milliwatt). (b) If the transmitter's power is applied to a unity gain (i.e., G=1) antenna with a 100- MHz carrier frequency, what is the received power in dBm at a free space distance of 200 meters? Assume that the receiver's antenna has a unit gain too.

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Suppose a transmitter produces 0.5 W of power.
(a) Express the transmit power in units of dBW (decibel-watt) and dBm (decibel-
milliwatt).
(b) If the transmitter's power is applied to a unity gain (i.e., G=1) antenna with a 100-
MHz carrier frequency, what is the received power in dBm at a free space distance of
200 meters? Assume that the receiver's antenna has a unit gain too.
Transcribed Image Text:Suppose a transmitter produces 0.5 W of power. (a) Express the transmit power in units of dBW (decibel-watt) and dBm (decibel- milliwatt). (b) If the transmitter's power is applied to a unity gain (i.e., G=1) antenna with a 100- MHz carrier frequency, what is the received power in dBm at a free space distance of 200 meters? Assume that the receiver's antenna has a unit gain too.
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