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Re: [TenTec] Orion II manual / firmware for 565 / 8P with Orion II

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Orion II manual / firmware for 565 / 8P with Orion II
From: Sinisa Hristov <shristov@ptt.yu>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 15 Feb 2006 21:16:21 -0500
List-post: <mailto:tentec@contesting.com>
Ron Castro wrote:
> It does not appear to be.  I have a 6 Hz difference in the main and sub
> receivers on all bands.

Grant Youngman wrote:

> It doesn't appear to be.  There is still a very noticable frequency/phase
> difference between the two receivers when locked to a single VFO.

Thank you for information, gentlemen.

The frequency difference may be caused by firmware, even with all clocks locked 
to TCXO.

The only reliable way is to look at the actual codec clock source.
In Orion I it was a 14.360 MHz crystal connected to the main codec
(page 6 of Orion I logic board schematic).

Has anybody dared to look at Orion II logic board, or at least the schematic?


Sinisa  YT1NT, VE3EA

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