[Amps] 3-500z Silly question

[Bill, W6WRT]

ORIGINAL MESSAGE:

On Sat, 5 Sep 2009 07:32:23 -0700, "Jim W7RY" <w7ry at arrl.net> wrote:

>How are you derive the center tap for the cathode connection with DC 
>supplied to the filament?

REPLY:

You could use two 2.5 volt DC supplies with the tap in the middle, but that
still does not answer the problem of bias voltage being developed across the
filament. It's just not a good idea.

73, Bill W6WRT