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Re: [TenTec] Titan vac relay......QUESTION....>

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Titan vac relay......QUESTION....>
From: Glenn AE0Q <gm5bkc@gmail.com>
Reply-to: gm5bkc@gmail.com, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 22 Dec 2010 19:07:23 -0700
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>

  The HC-1 is a SPDT relay, which means it only switches one RF path
(usually output RF).  Most amps using a vacuum relay at output use a smaller
and faster relay on the input (also a SPDT).  The input RF path and output
RF path both have to be switched.

  If the Yaesu amp uses a big, slow DPDT relay to switch both in and out RF
paths, you can't just replace it with a single vacuum relay.  You would need
to install 2 of them, and then most amps using the vacuum relays have some
means to prevent hot switching them as well.

Glenn AE0Q

On Wed, Dec 22, 2010 at 4:38 PM, al sirois <alsirois@roadrunner.com> wrote:

> Can I replace the relay in a FL-2100-B with this Kilovac Mod HC-1
> To achieve QSK? I would be exciting the amp with a TenTec #538 Jupiter.
> alsirois@roadrunner.com
> =======================

"Remember, any tool can be the right tool!"   Red Green

     AE0Q           ex: GM5BKC, ZB2WZ, V31RY, SV0WY, WA0VPK
ae0q@arrl.net    --SOWP 5558-M, ARRL LM, QCWA LM, OOTC, NCVA--
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