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June 24, 2017, 12:14 pm

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Author Topic: Spaceboy asks stupid questions and you answer them!  (Read 19404 times)
spermus
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« Reply #120 on: February 19, 2017, 12:59 pm »

You'll probably love this then. Radio frequency is a lot higher than sound frequency, so analog radios use waves within waves, as illustrated here. Also, the signal goes through at least one stage of intermediate frequency, higher than audio, lower than radio, which is optimal for the radio's internal circuitry.
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spaceboy
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« Reply #121 on: February 19, 2017, 02:56 pm »

I know a lot about how RADAR works from my experience in the Air Force. So I understand frequency and amplitude modulation for the most part. I just never understood that audio encoding into that medium basically follows the same rules.
« Last Edit: February 19, 2017, 07:08 pm by spaceboy » Logged
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