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Author Topic: A new source of interference ?  (Read 1863 times)

JGO

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A new source of interference ?
« on: January 09, 2014, 10:50:39 AM »

http://www.bbc.co.uk/news/technology-25621426

No mention of frequency but it must be high enough to do without a (complete) iron circuit ?
As both this and XDSL are unlicenced spectrum users I can see lawyers having a field day !
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burakkucat

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Re: A new source of interference ?
« Reply #1 on: January 09, 2014, 04:35:47 PM »

 :hmm:  Hmm . . . Now why don't they just use a full metallic electrical circuit, thus doing away with the inductive coupling losses? Too simple, perhaps?  :-\
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JGO

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Re: A new source of interference ?
« Reply #2 on: January 11, 2014, 08:06:57 AM »

" Hmm . . . Now why don't they just use a full metallic electrical circuit, thus doing away with the inductive coupling losses? Too simple, perhaps? " 

Judging by Scottie's Mum's recent experience and the electric kettle I fixed the other day, the design of reliable contacts is too advanced or not sexy. Or can't the drivers be relied on to unplug before they move off ? Funny - a door interlock works OK on our washing machine.
   
I did see an unconfirmed report that the frequency was "HF" ! With a rectifier load it will have a long string of harmonics - great ! 

Seriously I am having a bet with myself how long before a 50Hz cable is added - quietly !
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