Reply to Re: Using an FM-Carrier for the Y [Luminance] Signal -- how to relieve the bandwidth issue?

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Posted by Sjouke Burry on 10/27/07 18:35

Roderick Stewart wrote:
> In article <4722f832$0$25703$4c368faf@roadrunner.com>, Green Xenon
> [Radium] wrote:
>>>> So there is no way to decrease how far the sidebands will go?
>>> With FM? Nope, not in the way you're hoping. Modulate a carrier Fc
>>> with a frequency Fm, and the first sidebands will be at Fc+Fm and
>>> Fc-Fm, just as would be true with AM. That's the narrowest you can
>>> get.
>> So a higher-frequency modulation signal will result in more distant
>> sidebands than a lower-frequency modulation signal? E.g. a 10,000 Hz
>> tone will result in sidebands further from the base carrier frequency
>> than a 1,000 Hz signal?
>
> By George! I think he's got it!
>
> Rod.
>
Wait, dont count your blessings yet :)
The troll may find yet another geeky side to ponder.

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