Topband
[Top] [All Lists]

Re: Topband: Portable Flag follow up (DX Engineering preamp noise figure

To: topband <topband@contesting.com>
Subject: Re: Topband: Portable Flag follow up (DX Engineering preamp noise figure update)
From: Don Kirk <wd8dsb@gmail.com>
Date: Tue, 9 Mar 2021 18:21:39 -0500
List-post: <mailto:topband@contesting.com>
I should have said the so the 4.5 dB noise figure is certainly not
unreasonable.

Sorry for the typo.
73,
Don (wd8dsb)

On Tue, Mar 9, 2021 at 6:20 PM Don Kirk <wd8dsb@gmail.com> wrote:

> A couple of weeks ago there were a lot of postings about my portable flag
> for radio direction finding (for tracking down RFI), and someone asked
> about the DX Engineering preamp that was designed for use with my portable
> flag and specifically what the noise figure was for this preamp.  Tim
> (K3LR) said DX Engineering would measure it, and today he reported it
> measured 4.5 dB.
>
> Tim mentioned that there were trade offs in the design such as low current
> draw and high gain, so the 4.5 dB noise figure is certainly unreasonable.
> It really is the only preamp I now use with my portable flag, and very
> pleased with how it works.
>
> Just FYI,
> Don (wd8dsb)
> _________________
> Searchable Archives: http://www.contesting.com/_topband - Topband
> Reflector
>
_________________
Searchable Archives: http://www.contesting.com/_topband - Topband Reflector

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