A receiver consists of an antenna with a noise temperature equal to 120 K that feeds an attenuator with a physical temperature of 200 K and a loss of 3 dB. The attenuator feeds an amplifier with an effective noise temperature of 150 K, a noise bandwidth of 20 MHz, and a power gain of 50 dB. What is the noise power available at the system output (Nao)?
A receiver consists of an antenna with a noise temperature equal to 120 K that feeds an attenuator with a physical temperature of 200 K and a loss of 3 dB. The attenuator feeds an amplifier with an effective noise temperature of 150 K, a noise bandwidth of 20 MHz, and a power gain of 50 dB. What is the noise power available at the system output (Nao)?
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![Electrical Engineering
A receiver consists of an antenna with a
noise temperature equal to 120 K that feeds
an attenuator with a physical temperature
of 200 K and a loss of 3 dB. The attenuator
feeds an amplifier with an effective noise
temperature of 150 K, a noise bandwidth of
20 MHz, and a power gain of 50 dB. What
is the noise power available at the system
output (Nao)?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8e999522-b38e-4883-a333-b47820ec911a%2Fde08068a-2973-48ab-8b52-174eebe184af%2F6fpld9q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Electrical Engineering
A receiver consists of an antenna with a
noise temperature equal to 120 K that feeds
an attenuator with a physical temperature
of 200 K and a loss of 3 dB. The attenuator
feeds an amplifier with an effective noise
temperature of 150 K, a noise bandwidth of
20 MHz, and a power gain of 50 dB. What
is the noise power available at the system
output (Nao)?
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