[TenTec] TT 940 Power Supply

[R. Eric Sluder via TenTec]

Ya got me curious Bob; why a "solid" wire?

-Eric
W9WLW

> On Sep 2, 2014, at 1:13 PM, "Bob McGraw - K4TAX" <RMcGraw at 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 at oregontrail.net>
> To: "Discussion of Ten-Tec Equipment" <tentec at 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 at 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 at 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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