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Re: Wattmeter
Frederico,
I suspect he meant to say Electronic Design (ED), not EDN. The original
article was in ED 14 Oct 1994, and an improved circuit is in ED 14 Apr
1997.
--Steve
----------
> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Re: Wattmeter
> Date: Monday, January 18, 1999 12:22 PM
>
> Original Poster: fprice3 <fprice3-at-acnet-dot-net>
>
>
>
> Tesla List wrote:
>
> > Original Poster: David Sharpe <sccr4us-at-erols-dot-com>
> >
> > Terry, John, ALL
> >
> > The original wattmeter which I used was found in EDN magazine; October
> > 14, 1994 edition, "Ideas for Design" segment titled Optical Isolator
> > Computes Watts. I immeditely recognized that this circuit could help
> > stop the banter about my KVA is bigger than your kVA BS and cut to the
> > chase with a parameter which is a primary measurement standard; POWER.
> >
>
> I searched the EDN Mag database and got this answer:
>
> " The following matches were found in the EDN Archives for the search
on
> OPTICAL ISOLATOR
> AND WATTS. The results are ordered with the closest match listed
first.
> Higher scores indicate better
> matches.
> The search engine found 0 item(s) matching the search criteria"
>
> Their database only goes back to Jan 1994. Can you pls. give us more
info?
>
> .................................
>
> > The circuits are in the public domain and are probably available by
this
> > tool (the interthingy). All components are
> > available at MCM or Digikey.
> > Regards
> > DAVE SHARPE, TCBOR
>
> you are probably right, ave, but I would like a bit more info: do you
have a
> diagram you could post?
>
> Thanks,
>
> Federico Price
>
>
>