[TenTec] OMNI6+ SSB transmit quality - HELP!

[Donald Watters]

Fraser -

What is your current email address?  Have some info for you

161 -  Don, VE1BN  dwatters at ns.sympatico.ca


----- Original Message ----- 
From: "Fraser Robertson" <g4bjm at hotmail.com>
To: <tentec at contesting.com>
Sent: Tuesday, July 04, 2006 5:56 PM
Subject: [TenTec] OMNI6+ SSB transmit quality - HELP!


> Hi all, is possible to transmit good quality SSB from this rig?  I get
> reports of muffled audio.  Listening on another RX I know what they mean.
>
> I've re-aligned the driver & pa bias, carrier oscillators etc.  I've
> isolated the mic ground as by design  it shares the PTT ground and digital
> noise was getting into the mic amp.
>
> With a two tone test the signal looks ok on a scope and spectrum analyser
> (products 26dB and 38dB down).
>
> I've tried different power supplies, different mics and audio sources.
>
> It sounds reasonable on receive, to me anyway, and works well on CW.
>
> The rig has the stock filters fitted.  A friend has the Inrad SSB filter 
> and
> says he gets muffled audio reports too.
>
> I've ruled out RF feedback and am running out of ideas.  Any advice would 
> be
> appreciated.  The audio is readable but not crisp clear quality.  (The rig
> is an upgraded Omni6).
>
> Thanks / 73 Fraser G4BJM
>
> _________________________________________________________________
> Windows LiveT Messenger has arrived. Click here to download it for free!
> http://imagine-msn.com/messenger/launch80/?locale=en-gb
>
>


--------------------------------------------------------------------------------


> _______________________________________________
> TenTec mailing list
> TenTec at contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>