Re: Was Chopper circuit - Now ver 3.2

--- In CAD_CAM_EDM_DRO@y..., "Larry Edington" <ledington@a...> wrote:
> > For lower voltage drives using devices such as L298's you can also
> > use the LM317T voltage reg. Many maunf of these and cheaper than
the
> > TI part. You will still need some heatsinking though.
>
> LM317 is a 37 volt normal 40 volt max input device.
>
> LM317HV is a 60 volt part. I used those on my 10A drivers. Digikey
has them
> for $2.79 qty 1.
>
> Digikey also has the TL783 for $2.45 Qty 1. I'd use the TL783 !
>
> > For a bigger drive, why not just buy a G201 ?? All the work has
been
> > done for you..... "wheels and re-inventing" spring to mind ;-))
>
> Experience, Education, Enlightenment, Accomplishment etc...
>
> When I did my 10A Fet based drivers, I learned a LOT. Sure I
burned a lot
> of time.
> Had I done design work for dollars with that time instead of
building my own
> drives, I
> could have purchased several more drives with those dollars.
However, you
> can't really
> put a price on the knowledge gained from doing something yourself.
>
> Now I'm working on other projects and continuing to learn. I've
been doing
> this
> for 20+ years now. I'll stop when they pry the soldering iron from
my cold
> dead
> fingers <grin>.
>
> later,
> Larry E.