Fraser -
What is your current email address? Have some info for you
161 - Don, VE1BN dwatters@ns.sympatico.ca
----- Original Message -----
From: "Fraser Robertson" <g4bjm@hotmail.com>
To: <tentec@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
>
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