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Brush spark suppression on 2.4 ghz?

Old 11-04-2010, 02:32 AM
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Default Brush spark suppression on 2.4 ghz?

Hi

Having just converted from 35mhz radio to 2.4ghz i would like any comments on whether you need the same suppression components across the brushes or whether 2.4 ghz is immune to the brush spark interference?

Tony
Old 11-04-2010, 06:43 AM
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Default RE: Brush spark suppression on 2.4 ghz?

I think the 2.4G gear is probably not affected much by sparking interference, nor is FM gear for that matter. Control information is dependent on carrier frequency shifting, not carrier modulation (like AM radio) which is greatly affected by pulsing interference. For example, listen to an AM station during a thunderstrom.

That said, I'd still install the bypass capacitors. It's pretty cheap insurance. Better yet, why not upgrade to a brushless/lipo system and avoid the problem entirely? These days, you could have a vastly superior power system for very little more than the brushed one.

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