Re: was Re: depotting/ now flyback circuits

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "jimmy hynes by way of Terry Fritz <twftesla-at-qwest-dot-net>" <chunkyboy86-at-yahoo-dot-com>

could you please send me that schematic? thanks
--- Tesla list <tesla-at-pupman-dot-com> wrote:
> Original poster: "rob by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <rob-at-pythonemproject-dot-com>
> 
> Tesla list wrote:
> > 
> > Original poster: "jimmy hynes by way of Terry
> Fritz <twftesla-at-qwest-dot-net>"
> <chunkyboy86-at-yahoo-dot-com>
> > 
> > why should i wind my own primary? ive een alot of
> > websites that say to do that but whats wrong with
> the
> > primary thats already on there? does it have too
> many
> > turns?
> 
> Most flybacks nowadays are also swithing power
> supply transformers for
> the unit.  Thus they are likely to have too many
> turns to run off of
> 12-30V, which is what I would suggest.  Its much
> easier to work with
> that primary voltage.  And you can get just as high
> a voltage with 30V
> on 20-30 turns of primary as you can with much
> higher voltages.  Its all
> a matter of control- with your own primary you
> control the efficiency of
> your design.  If you do not have PSpice, download
> the latest demo
> version from Orcad, and I can send you a schematic
> of my old single
> 2N3055 design which beats the push-pull designs on
> all fronts.  Rob.
> 
> 
msnip
=====
JImmy