Tuesday, June 7, 2011

Re: [HamBrewers] PC SMPS

 

Paddy
 
  To my best knowledge you will not be able to put them in series but you can definitely put them in parallel.
For 24V it gets tricky as the diode needed is for around 200V and also the turns ratio changes, but once i have done that by removing the core and then rewinding it .
 
73
Hari  



--- On Tue, 6/7/11, padmanabhan cattamanchi <PEPINDIA@yahoo.com> wrote:

From: padmanabhan cattamanchi <PEPINDIA@yahoo.com>
Subject: Re: [HamBrewers] PC SMPS
To: HamBrewers@yahoogroups.com
Date: Tuesday, June 7, 2011, 11:39 AM

 
Sounds a bit complicated. Is it possible to make 24v supply using two of them in series, I was told it cannot be done because of the floating outputs.

73,s
Paddy
vu2pep

--- On Mon, 6/6/11, Hari <harigee@yahoo.com> wrote:

From: Hari <harigee@yahoo.com>
Subject: Re: [HamBrewers] PC SMPS
To: HamBrewers@yahoogroups.com
Date: Monday, June 6, 2011, 11:16 PM

 
Paddy,
 
  This works ,
I have used it as described and also made one of my own with the same configuration.the trick is to get the oldest one as possible so that they have the 494 chip.
I later brought few for 50Rs each and then pulled out the required components and then made one of my own.

73
Hari

--- On Thu, 6/2/11, padmanabhan cattamanchi <PEPINDIA@yahoo.com> wrote:

From: padmanabhan cattamanchi <PEPINDIA@yahoo.com>
Subject: Re: [HamBrewers] PC SMPS
To: HamBrewers@yahoogroups.com
Date: Thursday, June 2, 2011, 1:15 PM

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