[TenTec] Paragon II RS-232 noise

[Roger Hughes]

Could be RFI coming from 1 or more places to there. Well Like I do just 
start undoing cables one at a time untill I goes away. Try another PS. It 
could be different levels in the ground potential. Or it just may be QSK CW 
just backed up and trying to get out. Gud Luck Roger, W4IV
----- Original Message ----- 
From: "VE1BN" <ve1bn at eastlink.ca>
To: <ken.d.brown at hawaiiantel.net>; "Discussion of Ten-Tec Equipment" 
<tentec at contesting.com>
Sent: Friday, January 23, 2009 10:12 AM
Subject: Re: [TenTec] Paragon II RS-232 noise


> Ken -
>
> It never happened with my Paragon II.  Is the noise you are experiencing
> still there when you pull the RS232 Interface Card?  Maybe just needs
> reinstallation to see if the card connector needs cleaning. A bad ground
> perhaps? Or a poor connection at the cabinet rear connector?
>
> Don,  ve1bn at eastlink.ca
>
>
>
>
> ----- Original Message ----- 
> From: "Ken Brown" <ken.d.brown at hawaiiantel.net>
> To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
> Sent: Friday, January 23, 2009 2:40 AM
> Subject: [TenTec] Paragon II RS-232 noise
>
>
>>I hooked up the serial data port on my Paragon II to my computer for
>> logging of the frequency. There is a buzzing noise in the
>> speaker/headphones with every data string. The volume of the noise does
>> not depend on the band in use, whether an antenna or a terminator is
>> connected, the mode or band. The only controls on the rig that do affect
>> the noise are the audio gain and the tone controls. Seems like the noise
>> is getting into the audio stages, maybe through a power supply common to
>> both the RS-232 board and the audio stages. Have any of you experienced
>> anything like this with a Paragon or Paragon II? It never happened with
>> my Omni VI.
>>
>> DE N6KB
>>
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