[Top] [All Lists]

Re: [TenTec] Omni VI+ receiver UHF intermod

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Omni VI+ receiver UHF intermod
From: Kevin Purcell <kevinpurcell@pobox.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Thu, 13 Dec 2007 13:09:18 -0800
List-post: <mailto:tentec@contesting.com>
Though to play the devil's advocate that if you do have a problem  
with something generating IMD in the front end (e.g. a flaky or  
poorly biased PIN diode or a connector with corrosion or whatever)  
then that will generate IMD for HF signals too

But you don't seem to be noticing it right now because you don't have  
an "always on" -20dBm HF signal (or whatever the UHF signal is ... I  
live very close to multiple FM/TV powers in Seattle so I'm expecting  
the worst).

The IMD may (will?) be there on HF too unless the cause is something  
oddly resonant in the box at UHF pushing up the RF voltage (though  
not the power) and cause frequency specific IMD.

That might be a motivation to fix it :-)

On Dec 13, 2007, at 10:42 AM, Dr. Gerald N. Johnson wrote:

>> I would just leave the filter connected to the rig and forget  
>> about it.
> It works.
>> Paul, W9AC
> 73, Jerry, K0CQ

Kevin Purcell

TenTec mailing list

<Prev in Thread] Current Thread [Next in Thread>