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- -- card: 134537 from stack: in
- -- bmap block id: 0
- -- flags: 4000
- -- background id: 7720
- -- name: #409
- ----- HyperTalk script -----
- on openCard
- global group,rightone
- put 41 into group
- put "A" into rightone
- pass openCard
- end openCard
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- -- part contents for background part 20
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- Question #41
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- -- part contents for background part 1
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- 4AH-2.3 How can a single-sideband phone signal be produced?
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- By producing a double sideband signal with a balanced modulator and then removing the unwanted sideband by filtering
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- -- part contents for background part 27
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- By producing a double sideband signal with a balanced modulator and then removing the unwanted sideband by heterodyning
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- -- part contents for background part 28
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- By producing a double sideband signal with a balanced modulator and then removing the unwanted sideband by mixing
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- -- part contents for background part 29
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- By producing a double sideband signal with a balanced modulator and then removing the unwanted sideband by neutralization