[Milsurplus] LV Supply...

[J. Forster]

C Whitaker wrote:

> de WB2CPN
>
> If the 16 Volts is RMS, then the rectifier is giving
> you the Peak DC value, (1.4 X 16).  You could
> give a thought to reducing the size of the input capacitor
> in the filter, or even place a choke in the input lead
> before the capacitor.  You don't get Peak DC when
> you use a Choke Input Filter.  How many Henries
> do you need in the choke?   Say about 8.

BUT, that inductance is needed with the full DC load current flowing through it.
This means a really big chunk of iron and copper. The thing will HAVE to have an
air gap to prevent saturation. Getting such a choke is definitely non-trivial.
Think Variac.-John

>  If your
> filter has a choke in it now, why not move to the
> input side of the filter?     Good Luck, Experimenter.
>
> 73  Clete
>