[Amps] Switching Supplies for High Current Filaments

[Paul Decker]

REPLY: 



What if instead of DC, the square wave (triangle or whatever) from the switchers transformer were used? 









Date: Tue, 05 Oct 2010 09:18:09 -0700 
From: "Bill, W6WRT" < dezrat1242 at yahoo.com > 
Subject: Re: [Amps] Switching Supplies for High Current Filaments 


>Another problem is using DC on a filament-type tube such 


ORIGINAL MESSAGE: 

On Tue, 5 Oct 2010 07:34:41 -0700, Patrick Barthelow 
<apolloeme at live.com> wrote: 

>Would cold start surge current be a problem for switcher implementation for filaments