I did never implement it myself, but I consider this AN from STM very
detailed and good design with all the rationale in place:
http://www.st.com/stonline/products/literature/an/8313.pdf


2006/10/25, Wouter van Ooijen <wouter@voti.nl>:
>
> > Wouter said -
>
> > "The other problem with this type of circuit is the voltage on the
> > mains plug after uplugging..."
>
> > A suitably-rated bleeder resistor would fix that
>
> True, but the circuit as shown does not have that resistor, and the text
> that goes with it admits that another resistor is needed. Two key
> components missing in a circuit that has how many - 10 components? That
> does not exactly raise my confidence in the engineering behind the part
> of the circuit that is shown.
>
> Wouter van Ooijen
>
> -- -------------------------------------------
> Van Ooijen Technische Informatica: www.voti.nl
> consultancy, development, PICmicro products
> docent Hogeschool van Utrecht: www.voti.nl/hvu
>
>
> --
> http://www.piclist.com PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist
>



-- 
Ariel Rocholl
Madrid, Spain
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist