Topband: AC line bypass capacitors

[Paul Christensen]

>
>My 160 TX is causing RFI to one of my baseboard heater programmable
> thermostats (switches modes, temperature, when I transmit). The
>thermostat 
> has a 2 wire connection to 240VAC in a metal receptacle box that has a
> third wire common ground wire. I would like to try bypassing the AC
>line. 
> Can someone suggest an appropriate (safe) capacitor for this purpose,
>e.g. 
> a Digi-Key or Mouser part number? Should I use one capacitor across the
> 240VAC or two capacitors, one from each 120VAC line to the common wire?
> Thanks for the help.
> _________________

As a substitute for X1 Y2 line caps,  an in-line RFI/EMI filter can be
used that already contains the X/Y-rated caps.   See the bottom of p. 21:

http://audiosystemsgroup.com/RFI-Ham.pdf

These filters can often be cannibalized from old PC power supplies and
discarded industrial equipment.

Paul, W9AC