John,
the last i checked door bell transformers are
still 60 hertz step down transformers that transform
120 vac or 240 vac to 24 volts ac. This should not
cause interference. I wonder what was happening in
your example. Any ideas?
Regards,
Jim
--- [EMAIL PROTECTED] wrote:
> Don't overlook those screw in fluorescent light bulb
> replacements. They
> really generate some nasty RF as do the X-10 remote
> light switches and outlets and
> the infamous doorbell transformers. While we are on
> that subject, I recently
> heard of a problem with the 24V control transformer
> on a furnace that was
> causing a lot of grief and was so bad that it was
> even getting into the resident't
> tv picture with what looked like line noise.
>
> 73,
>
> John, W4AWM
>
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