Re: [HCDX] Laptops and noisy power supplies (SMPS) ..............

[Walter Salmaniw <salmaniw@xxxxxxx>]

At 11:09 AM 3/17/2007, you wrote:

>Hi everybody,
>
>I wonder how you managed to solve the known problem of laptop power supplies (SMPS) 
>and their noise. At my old IBM laptop it was not so bad but at my new Fujitsu-Siemens 
>laptop its switching power supply produces quite a strong noise on LW, MW (AM) and 
>up.....
>
>Do you use special, non original power supplies? Can you recommend a solution or a 
>source of relevant information?
>
>Many thanks to everybody of the DX community who is so kind to share his experience. 
>I am quite sure that I am not the only one who faces this unpleasant problem,
>
>
>73   (7030)  de Karel Honzik, CZE 


Karel, I know that John Bryant (who's presently in Easter Island) uses a 12v deep cycle in series with a 6 v motorcycle battery.  Seems to work just fine for him for remote DXing where there's no AC power........Walt


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