[sdiy] Cool 'ring modulator' schematic

[harrybissell]

Yes... R9 is unlabeled, 20K

I used a 10K in place of R11, and eliminated R4.

H^) harry

Andre Majorel wrote:
> 
> 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/