[Amps] soft start on filament

[Bill, W6WRT]

ORIGINAL MESSAGE:

On Sun, 29 Aug 2010 12:53:09 +0300, ???????????? ??????????
<panos2 at otenet.gr> wrote:

>well can i use a resistor in series to the filament or the time is still fast ?

REPLY:

Step-start circuits usually have the resistor in the primary of the
transformer, but it could be put in the filament side too. The current
is less on the primary so the stress on the relay is less, but either
way could be made to work. 

73, Bill W6WRT