[TenTec] best power supply for Orion II and other items

[Mike Hyder -N4NT-]

As I said, ASTRON said: 

1ST CHECK YOUR AC OUTLET GROUND IT MUST HAVE GOOD CONNECTION

2ND. MEASURE FROM THE -13.8V TERMINAL TO CHASSIS, IF NO DIRECT CONNECTION,
RUN A PIECE OF WIRE FROM -13.8V TERMINAL TO CHASSIS.

----- Original Message ----- 
From: "Richards" <jruing at ameritech.net>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Sunday, November 21, 2010 7:20 PM
Subject: Re: [TenTec] best power supply for Orion II and other items


> Gentlemen -
> 
> 1)  How I know if RF from my Omni VII was causing problems with my 
> Astron RS-35M linear type power supply ?  Would it show up as an 
> anomalous readout on one or both meters?   What if I had the model 
> without any meters - how would one tell ?
> 
> 2)  Could RF be getting into it from other gear not even powered by it - 
> say, by a 2 meter mobile used in the shack as a base rig for local 
> repeater work?
> 
> 3)  How could one tell if a "current"  (pun intended)  Model RX-35M is 
> grounded as described ?   Is there an easy to identify spot on the power 
> supply's schematic diagram ?  (I am a rookie at this, but might be able 
> to trace it with some local assistance or description here...)  Or would 
> one just contact Astron and ask ?  (...which is easy enough, but I am 
> trying to learn to use what info is already at hand...)
> 
> Thanks in advance.
> 
> =========================  James -- K8JHR  ========================
> 
> 
> On 11/21/2010 4:47 PM, Mike Hyder -N4NT- wrote:
> 
>> The 35 amp linear Astron supplies used a floating output....
> 
> the Astron supply is good but if the negative
>> output post is not grounded to the cabinet/chassis then RF
> energy gets into the regulator circuitry...
> 
> 
> 
> ======================================================================
> _______________________________________________
> TenTec mailing list
> TenTec at contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec