At 1:33 PM -0700 7/11/03, N6KJ wrote:
>On Fri, 11 Jul 2003 16:12:10 -0400, Pete Smith wrote:
>
>>
>> At 01:24 PM 7/11/03 -0400, KE2N@cs.com wrote:
>> >I ran into this same problem when I installed some halogen "puck" lights
>> >in the kitchen. Switching supplies wiped out HF reception. For the new
>> >house, I specified the "magnetic transformer" option for the lights and it
>> >is RFI-quiet.
>> >
>> >Imagine: magnetic transformers - what will they think of next!
>>
>>
>> Funny, I have three sets made by GE - 8 lamps total - that use some sort of
>> switching black lump, and they are totally RF quiet. The only problem is
>> that something -- probably their overtemp sensing -- is unduly fussy, so
>> the darned things keep shutting themselves off...
>>
>> Wouldn't something like this be soluble by the same sort of filtration as
>> other switching power supplies?
>
>Probably, but it is easier to replace the power supply :-) Since they
>belong to me it's pretty easy for me to replace the supply. I can't say
>I've had a lot of luck in the past eliminating RFI with filters. I still
>have a TVI problem that I've never been able to solve, except by moving
>the antenna to a less optimal location :-(
>
>These supplies are incredibly noisy. What if they belonged to my neighbor
>instead of me and my neighbor didn't like me? My question is: why are things
>like this allowed to be sold?
I many times ask myself that very same question. We have rules, but
nobody pays attention to them and /or there is no one around to
enforce, which makes the BPL situation even more scarry.
73
Dale, K9VUJ
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