[sdiy] Cool 'ring modulator' schematic

[Andre Majorel]

On 2006-02-11 23:01 -0500, harrybissell wrote:
> Tim Parkhurst wrote:
>
> > http://www.elecdesign.com/Articles/ArticleID/11935/11935.html
>
> BTW... check the schematic carefully. R11 and R4 are in parallel,
> so replace them withone 10K instead of two 20Ks

Thanks ! A question, though. I guess R9 is the unlabelled resistor
at the top of the schematic. Which value did you use ? The text
says "R5, R9, and R11 are twice the value of R10" and R10 is 10k
so R9 should be 20k but you're saying R11/R4 should be 10k...

-- 
André Majorel <amajorel at teaser.fr>
http://www.teaser.fr/~amajorel/