There are at least five different OEM manufacturers for the brand name
ANTEC.
Read this article about power supplies and how to identify the manufacturer
by the UL code listed on the supply.
http://www.tomshardware.com/reviews/power-supply-oem-manufacturer,2913.html
A very good tutorial IMHO.
Tom
K6VCR
-----Original Message-----
From: topband-bounces@contesting.com [mailto:topband-bounces@contesting.com]
On Behalf Of ZR
Sent: Wednesday, July 04, 2012 9:59 AM
To: Wes Attaway (N5WA); jim@audiosystemsgroup.com; topband@contesting.com
Subject: Re: Topband: Progress with ugly computer noise
Ditto on the Antec, Ive been using them on both the higher end PC's Ive
built for several years and I dont have to keep upgrading as I change or add
things. Very cool running too.
Carl
KM1H
----- Original Message -----
From: "Wes Attaway (N5WA)" <wesattaway@bellsouth.net>
To: <jim@audiosystemsgroup.com>; <topband@contesting.com>
Sent: Wednesday, July 04, 2012 12:42 PM
Subject: Re: Topband: Progress with ugly computer noise
> Unless there is something unusual about the existing power supply you
> could
> consider replacing the supply with something like a good Antec or Cooler
> Master unit. Online prices for 500W supplies are $50-$60.
>
> This assumes that you are certain the noise is coming from the power
> supply.
>
> I have never heard a peep from either of the brands mentioned above.
>
> ----------------- Wes Attaway (N5WA) -------------------
> 1138 Waters Edge Circle, Shreveport, LA 71106
> 318-797-4972 (Office) - 318-393-3289 (Cell)
> Computer Consulting and Forensics
> -------------- EnCase Certified Examiner ---------------
>
> -----Original Message-----
> From: topband-bounces@contesting.com
> [mailto:topband-bounces@contesting.com]
> On Behalf Of Jim Brown
> Sent: Wednesday, July 04, 2012 11:14 AM
> To: topband@contesting.com
> Subject: Re: Topband: Progress with ugly computer noise
>
> On 7/4/2012 6:10 AM, Bill Cromwell wrote:
>> Next I'll be getting my hands on some ferrite core materials and looking
> to see just how far I can reduce the noise.
>
> When faced with a noisy computer, the first thing I'd try (other than
> replacing the noisy supply) would be a multi-turn choke on the power
> cable, optimized (number of turns and core) for the band(s) where you're
> hearing the most noise. If noise remained, I'd next tackle the video
> cable and the printer cable. Use the graphs in Appendix One of
> http://audiosystemsgroup.com/RFI-Ham.pdf as a guide to picking the cores
> and winding the chokes.
>
> Do your fellow hams another favor -- post the brand names and/or vendors
> of both the noisy power supply and the one that fixed your problem (if
> it does). :)
>
> 73, Jim K9YC
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
>
> -----
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>
_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK
_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK
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