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An antenna with average noise temperature 60 K connects to a receiver through various microwave elements that can be modeled as an impedance matched attenuator with an overall loss of 2.4 dB and a physical temperatures of 275 K. The overall system noise temperature of the receiver  
Que: The average operating noise figure of the attenuator-receiver cascade is
  • a)
    13.67 d
  • b)
    11.4 dB
  • c)
    1.4 dB
  • d)
    1.367 dB
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
An antenna with average noise temperature 60 K connects to a receiver ...
= 13.67 or 11.4 dB
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An antenna with average noise temperature 60 K connects to a receiver through various microwaveelements that can be modeled as an impedance matched attenuator with an overall loss of 2.4 dB and a physical temperatures of 275 K. The overall system noise temperature of the receiverQue: The average operating noise figure of the attenuator-receiver cascade isa)13.67 db)11.4 dBc)1.4 dBd)1.367 dBCorrect answer is option 'B'. Can you explain this answer?
Question Description
An antenna with average noise temperature 60 K connects to a receiver through various microwaveelements that can be modeled as an impedance matched attenuator with an overall loss of 2.4 dB and a physical temperatures of 275 K. The overall system noise temperature of the receiverQue: The average operating noise figure of the attenuator-receiver cascade isa)13.67 db)11.4 dBc)1.4 dBd)1.367 dBCorrect answer is option 'B'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about An antenna with average noise temperature 60 K connects to a receiver through various microwaveelements that can be modeled as an impedance matched attenuator with an overall loss of 2.4 dB and a physical temperatures of 275 K. The overall system noise temperature of the receiverQue: The average operating noise figure of the attenuator-receiver cascade isa)13.67 db)11.4 dBc)1.4 dBd)1.367 dBCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An antenna with average noise temperature 60 K connects to a receiver through various microwaveelements that can be modeled as an impedance matched attenuator with an overall loss of 2.4 dB and a physical temperatures of 275 K. The overall system noise temperature of the receiverQue: The average operating noise figure of the attenuator-receiver cascade isa)13.67 db)11.4 dBc)1.4 dBd)1.367 dBCorrect answer is option 'B'. Can you explain this answer?.
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