RE: [CAD_CAM_EDM_DRO] Center tapped transformer

Matt,

Been a while since I have noticed you posting. Hope all is well?

So if I connect as drawn what is the ratio of the ac voltage to the
resulting dc voltage? I would have to assume that it is different than
what I get with a bridge.

Tim
[Denver, CO]

> -----Original Message-----
>
> I'm going to assume you want to make a DC supply:
>
> (horrible ascii scematic follows - view in fixed width editor
> like emacs)
>
> ----|>|-----------+
> ) |
> ) |
> ) |
> ---o MINUS_DC +---o PLUS_DC
> ) |
> ) |
> ) |
> ----|>|-----------+
>
> Basically, the center tap is the negative pole of the DC
> supply and the two
> ends of the secondary winding are connected to the anodes of
> two rectifier
> diodes. The cathodes of the rectifires are tied together and
> that is the
> positive pole. You could flip both diodes around to reverse
> the polarity if
> you want to...
>
> you'll need a filter cap as well...
>
> Matt