Re: Water heater eating X-10 signal

[nobody@xxxxxxxxxxxx (Dave Houston)]

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