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- -- card: 102159 from stack: in
- -- bmap block id: 0
- -- flags: 4000
- -- background id: 7720
- -- name: #333
- ----- HyperTalk script -----
- on openCard
- global group,rightone
- put 31 into group
- put "C" into rightone
- pass openCard
- end openCard
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- -- part contents for background part 20
- ----- text -----
- Question #31
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- -- part contents for background part 1
- ----- text -----
- 4BG-4D.1 What is meant by the term "noise figure" of a communications receiver?
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- -- part contents for background part 11
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- The level of noise entering the receiver from the antenna
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- -- part contents for background part 27
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- The relative strength of a received signal 3 kHz removed from the carrier frequency
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- -- part contents for background part 28
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- The level of noise generated in the front end and succeeding stages of a receiver
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- -- part contents for background part 29
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- The ability of a receiver to reject unwanted signals at frequencies close to the desired one
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- -- part contents for background part 43
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- Correct answer is C