[TenTec] Fried Titan

[Scott / W4PJ]

What power transistors?

The Titan uses (2) 3cx800's if I'm not mistaken.

Am I missing something?


AR de w4PJ
----- Original Message -----
From: "Greg Mijal" <bluebirdtele at earthlink.net>
To: "Discussion of Tentec equipment" <tentec at mailman.qth.net>
Sent: Friday, January 21, 2005 12:03 PM
Subject: Re: [TenTec] Fried Titan


> Has anyone not done this is a better question Jon.
> I used a HP signal generator for an antenna on an NCX 3 once.  Killed the
> generator.
> You may  want to check the power transistors outside of the circuit.
Maybe
> do that first and see how much it is really going to cost to get here back
> in the pink.
> Good luck
> Greg
> WA7LYO
>
> ----- Original Message -----
> From: "K6JEK" <k6jek at comcast.net>
> To: <tentec at mailman.qth.net>
> Sent: Thursday, January 20, 2005 10:31 PM
> Subject: [TenTec] Fried Titan
>
>
> > I cooked my Titan I this afternoon.  I managed to route the output of
> > my homebrew AM transmitter into the Titan input when the Titan was on
> > and ready to amplify.  It seemed to think that 300 W carrier with 1200
> > W peak was more than it wanted.  POW, smoke, dark.  Not much smoke,
> > just a tiny bit.  It did blow a fuse but when I replaced the fuse, the
> > grid current meter pegged on power on even before the B+ kicked in.
> >
> > I'm now poking around on the bias board where there seems to be a fried
> > 1/4 W resistor.  It will be grand if that's all the damage.
> >
> > Any advice?  Have any of you ever done anything this witless?
> >
> > Jon
> >
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