[RFI] Dell D505 PA-10 PS

Wes Attaway (N5WA) wesattaway at bellsouth.net
Sun Aug 12 07:49:04 PDT 2012

That Acer laptop uses an old AMD CPU that only runs at about 1.6GHz.  That
is fairly slow compared to the newer Intel i7 CPUs.

You should be able to cure the PS RFI with some ferrite cores.  Look in Jim
Brown's tutorial.

----------------- Wes Attaway (N5WA) ------------------- 
1138 Waters Edge Circle, Shreveport, LA 71106 
    318-797-4972 (Office) - 318-393-3289 (Cell) 
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-----Original Message-----
From: rfi-bounces at contesting.com [mailto:rfi-bounces at contesting.com] On
Behalf Of Patrick Dyer
Sent: Sunday, August 12, 2012 9:28 AM
To: rfi at contesting.com
Subject: Re: [RFI] Dell D505 PA-10 PS

Tnx all for the advice.  This Acer 5517 laptop even with 3G of RAM runs 
some aps so slowly I'm hesitant to try an XP emulator on it.

The Dell D505 is a laptop, and the RFI IS from the PA-10 PS/charger. 
Using a Grundig G8 as a sniffer most seems to be radiated from the line 
from it to the laptop (on 89.5 MHz with the PS d/c from the AC c. 8 db 
vs c. 33 db with it plugged in).  It's rated at 19.5 V, 4.62 A out 
running rather warm/hot vs similar devices I've experienced.

73, Pat - WA5IYX
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