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Re: [TenTec] INRAD filter for OMNI VI/Plus series ... maybe Omni V?

To: "TenTec (E-mail)" <TenTec@contesting.com>
Subject: Re: [TenTec] INRAD filter for OMNI VI/Plus series ... maybe Omni V?
From: "Rick Williams" <rick.williams@telus.net>
Reply-to: tentec@contesting.com
Date: Fri, 21 May 2004 15:08:10 -0700
List-post: <mailto:tentec@contesting.com>
On the Omni V schematic the 2-pole roofing filter "restricts the receive
bandwidth to about 12 kHz for FM reception and also prevents strong out of
band signals from reaching the noise blanker circuits."  That is the NB is
downstream of the 2-pole filter.

Now for me the question is "How similar are the 9 MHz board on the Omni V
and Omni VI?"  If the same roofing filter is used in both then perhaps the
Omni V could be improved as well by a better roofing filter.

In the next couple of days I hope to get a copy of the Omni VI schematic and
compare!

73,

Rick
VE7TK / VE7ASR

Website:  http://www3.telus.net/ve7tk



> Date: Fri, 21 May 2004 09:33:15 -0700
> From: Clark Savage Turner <csturner@kcbx.net>
> Subject: Re: [TenTec] INRAD filter for OMNI VI/Plus series
> To: tentec@contesting.com
>
> Hi Dave (and the group) -
>
> I made some similar mods to some of my older Kenwood gear to good
> advantage, but I lose the Noise Blanker in the process.  I don't have my
> schematic handy, does the NB sample before or after this roofing
> filter?  I live in a high noise area.
>
> Clark
> WA3JPG
>
>
> On Wednesday, May 19, 2004, at 05:22 AM, Dave Bowker wrote:
>>
>> I can personally confirm that W2VJM (Inrad) is working full-time on the
>> OMNI
>> VI+ mod., and I assure it will be worth waiting for.

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