[Hammarlund] Zener-diode ballast tube replacement.
D C _Mac_ Macdonald
k2gkk at hotmail.com
Sat Jul 6 21:41:18 EDT 2013
Unfortunately, the mail list will not pass pictures or other attachments on.
Therefore, I did not receive it.
73 de Mac, K2GKK in OKC
Sent from my iPad
On Jul 6, 2013, at 20:05, "Kenneth G. Gordon" <kgordon2006 at frontier.com> wrote:
> OK. Gents, here it is. It is not a PDF, but a JPG. Everything you need is on
> the JPG. The 5814 is a subminiature triode. From the info on the JPG you
> can reverse-engineer it for your own particular application.
>
> Also, I should have been more clear about the connections of the Zeners:
> when I said "back-to-back" what I meant was that they are connected
> cathode-to-cathode, in series, not in parallel.
>
> For the any tube requiring 6.3 VAC, the diodes are 6.8 Volt Zeners.
>
> If anyone who asked for one does NOT get this (I am BCCing it), please let
> me know.
>
> Kenneth G. Gordon W7EKB
>
> "Courage is being scared to death but saddling up anyway."--- John Wayne
>
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> ---- File information -----------
> File: ballast_tube.jpg
> Date: 6 Jul 2013, 17:42
> Size: 11488 bytes.
> Type: JPEG-image
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