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Re: [TenTec] TT 940 Power Supply

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] TT 940 Power Supply
From: "R. Eric Sluder via TenTec" <tentec@contesting.com>
Reply-to: "R. Eric Sluder" <resluder@yahoo.com>, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 2 Sep 2014 13:20:03 -0400
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Ya got me curious Bob; why a "solid" wire?

-Eric
W9WLW

> On Sep 2, 2014, at 1:13 PM, "Bob McGraw - K4TAX" <RMcGraw@Blomand.net> wrote:
> 
> Do you have a solid ground wire between the supply and the radio?  If not the 
> radio is about 1/8 to 1/4 volt above DC ground.
> 
> You haven't chopped the 3rd pin ground have you?   For safety reasons, it 
> must be in place.
> 
> Some have reported with the supply on the left it makes noise, on the right 
> it does not.  I may have my left's and right's reversed.  Anyway, I think you 
> get the idea.
> 
> The ONLY noise I have from a switching supply is from the charger for my 
> laptop computer.  I've purchased three different ones.  All produce noise.
> 
> As to the station supply, I use Astron SS-30M's or SS-25's.  Have three and 
> all are quiet.
> 
> 73
> Bob,  K4TAX
> 
> 
> 
> 
> ----- Original Message ----- From: "denton sprague" <denton@oregontrail.net>
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Sent: Tuesday, September 02, 2014 10:43 AM
> Subject: Re: [TenTec] TT 940 Power Supply
> 
> 
> Well darn…
> my 940 has a traveling growling noise on 80 meters….wonder if there is an 
> easy fix?
> Otherwise will sell the darn thing….
>> On Aug 29, 2014, at 11:36 AM, Ralph Arnold <rea.papaof10@gmail.com> wrote:
>> 
>> I'm interested in PS for my Pegasus will it handle it and how much $$ 73
>> KD8BTQ  Ralph
>> 
>> 
>> On Fri, Aug 29, 2014 at 1:17 PM, Charles J. Nagel <cnagel@sbcglobal.net>
>> wrote:
>> 
>>> I have four TT switching power supplies I use for various rigs including
>>> Ten-Tec and Elecraft. Never a noise issue. One is a recently acquired 940,
>>> a perfect match for the Omni VII, in my opinion.
>>> 
>>> Charles, K0CW
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