[TenTec] Fw: Need Caps for Titan II Please

[Jerry Haigwood]

It all depends on what you are using it for.  The door knob is a ceramic
cap.  If the use is to parallel the loading cap, then the high voltage is
not needed.  A 1000-1500VDC disk ceramic would be more than adequate.  If
you are concerned about current, then you parallel a few caps to increase
the current carrying capacity.  Three 100pF at 1000VDC caps in parallel
would make an excellent replacement for the hard to find and expensive door
knob style caps.  But, if you have a lot of money to burn, look around for a
NOS silver plated door knob cap.  They will probably cost you $25-30 each
and of course you will want to buy several to have a few spares. ;-)
Jerry W5JH
"building something without experimenting is just solder practice"




-----Original Message-----
From: TenTec [mailto:tentec-bounces at contesting.com] On Behalf Of Rodney
Sent: Thursday, April 11, 2013 4:29 PM
To: Discussion of Ten-Tec Equipment
Subject: Re: [TenTec] Fw: Need Caps for Titan II Please

Theirs is a lot difference  in a ceramic cap that a door knob cap.

-----Original Message-----
From: Jerry Haigwood
Sent: Thursday, April 11, 2013 5:17 PM
To: 'Discussion of Ten-Tec Equipment'
Subject: Re: [TenTec] Fw: Need Caps for Titan II Please

Mouser.com will have them a lot cheaper!  A 330pF ceramic cap at 6KV only
costs 73 cents!
Jerry W5JH
"building something without experimenting is just solder practice"



-----Original Message-----
From: TenTec [mailto:tentec-bounces at contesting.com] On Behalf Of
k3miy at csonline.net
Sent: Thursday, April 11, 2013 11:54 AM
To: Discussion of Ten-Tec Equipment
Subject: Re: [TenTec] Fw: Need Caps for Titan II Please

Bob and others

On pg 43 of the latest RF Parts catalog, there are 300 PF\7.5KV caps for
less than 20 bucks.

ron
K3MIY

Quoting Cecil <chacuff at cableone.net>:

> I would start at RF parts...
>
> They normally keep a decent supply...
>
> Cecil
> K5DL
>
> Sent from my iPad
>
> On Apr 11, 2013, at 9:53 AM, "Bob Good" <k4bg at planters.net> wrote:
>
> >
> >
> > From: Bob Good
> > Sent: Tuesday, April 09, 2013 15:26
> > To: Tentec at contesting.com ; Amp Reflector
> > Subject: Need Caps for Titan II Please
> >
> > I own a T-T Model 416 Titan II Amp and having a problem.  It started 
> > with
> an burning arc located at the bottom of the 160 / 80 Meter coil at the 
> junction of the 1/4 inch tubing coil.  It carboned the bottom of the 
> coil form.  I removed the one chassis  mount and reconnected the two 
> coils soldering the junction.  I have not a clue as to what caused the
problem.
> All functional parameters seemed fine.  HV without RF drive, no arc.
> start applying power and buzzzzz and stinky smoke.  In the process of 
> my clumsy attempt at repair I assume I moved two of the ceramic 
> loading caps to where they arced to the screw post on the tuning 
> variable cap resulting in another stinky arc which apparently cooked 
> the caps.  When I cleared the caps by folding them back towards the PC
board, I have no arc but no output either.
> I hope the only damage is the two caps which are C-6 and C-8 on the 
> Load capacitor shunt board each 320 pf.  A call to Paul at T-T 
> produced no
joy.
> They do not have the c
>  ap
> > s.  Therefore....  does anyone have a couple of suitable caps I 
> > might
> purchase or information as to where to go to find them?  Any 
> additional comments would also be much appreciated.  Thanks for 
> reading
and your help.
> (All info correct on QRZ)  Regards,  Bob K4BG.
> > _______________________________________________
> > TenTec mailing list
> > TenTec at contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> _______________________________________________
> TenTec mailing list
> TenTec at contesting.com
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>
>




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