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> From: Mixalis Dimitrakakis <mdim@intranet.gr>
> To: tentec@contesting.com
> Cc: sales@tentec.com; mdim@intranet.gr
> Subject: [TenTec] TITAN input SWR problem HELP!!!
To: <tentec@contesting.com>
> Date: Thursday, April 10, 1997 11:35 AM
>
> Dear Amateurs friends
>
> I have a problem with my TITAN on the input side ,for example
> with my transceiver (JRC245) and the TITAN on the
> standby-mode with the R7(vertical by cushcraft) on SSB I am reading
> 1.1:1 SWR when I operate the TITAN the SWR on my transceiver meter
> go to 1.8-2.0:1.
>
> I retune the automatic antenna tuner(with relays and memories not
the
> good old variable capacitor ones ,anyway)it's still 2.0:1,
> I have also tried the same thing on different bands ,same thing
happens.
> I also tried different coaxial lenghts,types (RG58,RG213)between my
> trans.and the RF input of the TITAN same thing again.
>
> Any ideas of what is causing this rise in SWR when there is in line
> operating the TITAN????
>
> By the way this is my first linear amp. so I need some advice from the
pros.
>
> I am operating the TITAN on low voltage since the R7 will melt with
> the 1.5KW .
>
> A couple of times in the begining I accidently overdrove the amp.
> with my transceiver (not more than 2-3 secs)so I am afraid that
> I might have done some damage to the TITAN input matching circuit.
>
> Thank you in advance
> 73 Michael SV1CVY
>
> Electrical Engineer
> Intracom SA
> R & D Dept.
> email mdim@intranet.gr
>
>
>
>
> --HI MIKE: THE DIGITAL METER ON THE JST-245 READS SWR AFTER THE TUNER SO
WILL SHOW NO CHANGE.
THIS IS EXPLAINED IN THE MANUAL. LOOKS LIKE THE TUNED INPUT CIRCUIT OF YOUR
TITAN MAY NEED A LITTLE ADJUSTING.. ... JIM KB8NN
http://www.contesting.com/tentecfaq.htm
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