Amps
[Top] [All Lists]

Re: [Amps] Switching Power Supplies

To: "Keith Dutson" <kdutson@sbcglobal.net>,"'Jim Brown'" <jim@audiosystemsgroup.com>, <amps@contesting.com>
Subject: Re: [Amps] Switching Power Supplies
From: "Tom W8JI" <w8ji@w8ji.com>
Date: Fri, 14 Jul 2006 17:29:28 -0400
List-post: <mailto:amps@contesting.com>
> >I can't imagine why an amateur would want to use a 
> >switching supply for a
> filament. What reason is there to do that?
>
> I can think of only one: lower travel weight for 
> DXpedition use.

The filament transformer is typically about 5-10% of overall 
amplifier weight. On a 60 pound amp that's 3-6 pounds. If 
the switching supply cuts that in half, we save 1-1/2 to 3 
pounds.

I think the real advantage is being cheap.

73 Tom 


_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps

<Prev in Thread] Current Thread [Next in Thread>