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

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] best power supply for Orion II and other items
From: Richards <jruing@ameritech.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sun, 21 Nov 2010 19:20:38 -0500
List-post: <mailto:tentec@contesting.com>
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...



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