In my experience the "overdriven audio" sound in the ORION can be eliminated
with careful adjustment of the AGC parameters
Bill - K6WLM
----- Original Message -----
From: "Merle Bone" <merlebone@charter.net>
To: <tentec@contesting.com>
Sent: Wednesday, December 12, 2007 11:11 AM
Subject: Re: [TenTec] Orion Repaired and Back to V1.373b5
> Bob - K4TAX said:
> "On item that I've discovered with the current Omni VII on the desk, thus
> I
> no longer have the Orion II available, is that the RF Gain must be run
> lower, actually much lower, than one would expect. "
> ----------------------------------------------------------------------------------------------------
> It is certainly true that adjusting the RF Gain on the Orion is important
> to optimize the
> performance. On 20M with a tribander I reduce the RF gain quite a bit -
> while on
> 160M, with a K9AY Loop, I add a pre-amp in front of the Orion (Not
> required on
> V1.373b5 due to the higher overall gain of that firmware over V2.062a).
> However,
> I don't find that I am able to eliminate the "overdriven audio" sound by
> changing the RF
> Gain setting. There was a lot of "juggling" of gain levels in the V2
> rewrite - and as various
> issues were addressed throughout the 8 production V2 firmware releases. It
> seems that
> may have left one or more of the internal gain levels incorrectly set. A
> careful review/fix of
> remaining issues with the V2 firmware would be most welcome by the
> Orion/Orion II users.
> Merle - W0EWM
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|