[Amps] Zero Crossing circuit

[R.Measures]

On Nov 18, 2004, at 9:46 AM, Bill Turner wrote:

> On Thu, 18 Nov 2004 11:09:22 -0500, Bob Bruno - K2KI wrote:
>
>> For what it's worth, I myself have a variac in line with the xfrmr. I 
>> don't
>> mind bringing up things slowly on my own. :-)
>> 73, CUL...
>
> _________________________________________________________
>
> A variac would certainly do the job, but some careful engineering
> would be more cost-effective, would require no manual operation, and
> would eliminate the possibility of operator error (forgetting to run
> the variac down first).

Also, a variac adds ESR, which not good news for a C-filter supply's 
voltage regulation. .
>
> Your choice.
>
> --
> Bill W6WRT
>
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>

Richard L. Measures, AG6K, 805.386.3734.  www.somis.org