Interesting circuit, but capacitor Cf seems out of place at 150uF. Voltage =
not given,=20
but that would be exceptionally large physically in something suitable for =
AC mains.=20
Not mentioned in the circuit description, I would hazard a guess that somet=
hing=20
more like say 150nF was intended.

On 13 May 2011 at 10:55, KPL wrote:

> Wow, trying different search strings in google gave me exactly what I wan=
ted:
> http://www.edn-europe.com/improvedoptocouplercircuitsreducecurrentdrawres=
istledaging+article+2021+Europe.html
>=20
> circuit: http://www.edn-europe.com/cmsimages/0208/46f2.jpg
> It's basically same idea that I had imagined, but never got to try.
>=20
--=20
Brent Brown, Electronic Design Solutions
16 English Street, St Andrews,
Hamilton 3200, New Zealand
Ph: +64 7 849 0069
Fax: +64 7 849 0071
Cell: +64 27 433 4069
eMail:  brent.brown@clear.net.nz


--=20
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