[TenTec] TITAN input SWR problem HELP!!!
Thu, 10 Apr 97 15:35:10 EETDST
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
R & D Dept.
FAQ on WWW: http://www.contesting.com/tentecfaq.htm
Administrative requests: tentec-REQUEST@contesting.com