Re: Water heater eating X-10 signal

[lnh <lnoh@xxxxxxxxxxxx>]

In article <46381319.1739059218@xxxxxxxxxxxxx>,
 nobody@xxxxxxxxxxxx (Dave Houston) wrote:

> lnh <lnoh@xxxxxxxxxxxx> wrote:
>
> >In article <46355e81.1627293031@xxxxxxxxxxxxx>,
> > nobody@xxxxxxxxxxxx (Dave Houston) wrote:
> >
> >
> >> >So what is the best way to see the noise on a scope?
> >> >
> >> >Hook the scope to an X10 bridge to filter the 60Hz and make the X10
> >> >signal and noise easier to see?
> >> >
> >> >It would be hard to see the noise riding on a 120V signal without
> >> >blowing out the input on the scope.
> >>
> >> It depends on the noise. X-10 bridges and ACT's ScopeTest2 are also tuned
> >> circuits that may filter out the noise.
> >>
> >> One other option is just an RC circuit like the one in Appendix C of
> >> Microchip's appnote AN236 but even with that I could never see what my old
> >> NEC monitor vwas putting out that gave Smarthome (but not X-10 made)
> >> modules
> >> a fit.
> >
> >I'll look that up. Thanks.
>
> Appendix C, FIGURE C-3 (within dashed line rectangle)...
>
>      http://ww1.microchip.com/downloads/en/AppNotes/00236a.pdf

Off to the parts house. Thanks.