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[TenTec] Orion II Spec's

To: tentec@contesting.com
Subject: [TenTec] Orion II Spec's
From: "Ten-Tec Inc. Amateur Radio Sales" <sales@tentec.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Thu, 28 Jul 2005 12:23:27 -0400
List-post: <mailto:tentec@contesting.com>
At 10:51 PM 7/26/05, you wrote:

>Hi Everyone,
>
>I wonder if Scott or someone at Ten Tec could elaborate on this sentence 
>taken form the Orion II announcement on the TT web site.
>
>"Mixing architecture for the analog stages has been rearranged to provide 
>self-correction for frequency stability."

 From what I understand, there is now a small self-correcting routine in 
the analog stages that involves the
3rd IF and its LO being changed slightly to keep the radio on frequency a 
little bit better.  Note we're
discussing stability and not accuracy - it's to keep the radio on the 
frequency, not to put it closer to what
should be the actual frequency the rig is using.

>Also will the roofing filters be of a different design or simply the same 
>filters just 'banked' differently in the radio.

They are different.  They are filters being built in the UK for 
us.  They're also arranged
into a single bank rather than dual banks as used in the original 
rig.  There is probably no
difference on receiver performance on SSB - on CW with the 600 or 300 Hz 
filters
engaged maybe a slight improvement of dynamic range over the filtering 
system used in
the original Orion.  We've characterised it as 'subtle' - and it is.  The 
ARRL noted in the
Expanded Test Report for the Orion that with the 500 Hz filter engaged they 
saw a
3 to 5 dB difference from the 1 kHz filter - the idea with the new 
filtering system was
to smooth this out.

>Finally any plans for an 'auxiliary monitor provision' as with the ICOM 
>and YAESU flagship transceivers?

No plans to add aux monitor output.

More to come...

Scott Robbins W4PA
Amateur Radio Product Manager, Ten-Tec, Inc.

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