[RFI] Haolgens AND . . .
root [knesbitt]
knesbitt at nucleus.com
Sun Nov 19 13:58:31 EST 2006
As someone mentioned previously, the halogen bulbs themselves are not
the issue, its the low voltage switching supplies which accompany them.
I have tried several different brands in the various lighting tracks in
this house and every one of them produce huge RFI. The only solution
I've found thus far is to replace the low voltage heads with ac units.
Be warned.
Kirb - VE6IV
--
wesattaway at bellsouth.net wrote:
> The Lutran dimmers sold at Home Depot claim to have RFI suppression. I have about 50 of them in my house and don't notice any RFI problems.
>
>> From: Martin AA6E <aa6e at ewing.homedns.org>
>> Date: 2006/11/18 Sat PM 10:38:51 EST
>> To: rfi at contesting.com
>> Subject: Re: [RFI] Haolgens AND . . .
>>
>> WarrenWolff at aol.com wrote:
>>
>>>
>>>
>>> I have posted elsewhere, but this is probably the best place to check this
>>> out.
>>>
>>> I am told that low halogens are BIG generators of noise.
>>> Is that really true?
>>>
>>> On the same note, what about light dimmer switches?
>>>
>>> We are building a new house, and I need to establish some intelligent
>>> positions with my builder right away.
>>>
>>> Regards, Warren; W7WY
>>>
>>>
>> Halogen lights themselves are no problem. But the cheap dimming power
>> supplies are reported to be big trouble.
>>
>> Dimmer switches vary. I have had good luck with modern ones, but older
>> ones can be terrible. I think some are rated for RFI filtering. As
>> usual, you probably don't want the cheapest. It might be good to test
>> them yourself before installing.
>>
>> See http://www.epanorama.net/documents/lights/lightdimmer.html#rfi and
>> http://www.lutron.com/applicationnotes/360484.pdf (see "lamp debuzzing
>> coil")
>>
>> 73 Martin AA6E
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>
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