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Re: [TenTec] Fw: Inrad 763 vs 765

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] Fw: Inrad 763 vs 765
From: "Michael Tope" <W4EF@dellroy.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 3 Jan 2006 10:11:04 -0800
List-post: <mailto:tentec@contesting.com>
----- Original Message ----- 
From: "Roger Borowski" <K9RB@bellsouth.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Monday, January 02, 2006 1:17 PM
Subject: Re: [TenTec] Fw: Inrad 763 vs 765


> Mike, it depends much on which filter you have installed for CW in the N1 
> or
> N2 position. If you've got a TenTec #221, that provides the best match 
> with
> the INRAD #765 as they both have center frequencies of 500hz. On the other
> hand, if you have a Ten-Tec #219 or #217 filter, one or both of the 
> optional
> 9 MHz. spaces, they are better matched for the INRAD #763 as they have the
> same 750hz. offset. It's really a personal thing but the roofing filter
> should be matched with the same offset as any optional 9 MHz. filters you
> may have installed.
>

Thanks for the detailed reply, Roger. I have Ten-Tec's #219 and #282
in my N2 positions, so I should probably change my order with George
from the #765 to the #763 since the center frequency of the #219 and
the #763 will be offset from each other by 250 Hz. Guess I wasn't thinking
about the fact that Inrad roofing filter and the Ten-Tec 219 are both in the
same IF chain with no way to offset between them. Thanks for setting
me straight.

I am looking forward to ginving the Omni 6+ a workout in the CQ 160
CW contest in a few weeks.

73 / HNY, Mike W4EF.................................




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