[RFI] LED Bulbs

[Mike Ryan]

Dale, The brand name is PORTFOLIO, and sold around here at LOWES.   The 
model number is #0068062.  It is called a 'wall wash light'.  They are LED, 
low voltage 8w draw, with 420 lumens / 3000k.  The box says they are 
comparable to a 35w halogen floodlight.  Very, Very, nasty light fixture.
-Mike

-----Original Message----- 
From: Dale J.
Sent: Monday, February 10, 2014 3:06 PM
To: Mike Ryan
Cc: rfi at contesting.com
Subject: Re: [RFI] LED Bulbs

I'd like to get the numbers of those lights.  Post them if you will, mfg too 
and where they are sold.

Tnx
Dale, k9vuj



On 10, Feb 2014, at 13:36, Mike Ryan <mryan001 at tampabay.rr.com> wrote:

> Sorry Jim but the power supplies that these lights are connected to are 
> not always the case. I mentioned in an earlier post here about some 50w 
> LED lamps which use 12 vot AC, that's AC. The power supply is clean.  The 
> BULBS have switching power supplies of some nature in them.  LOEWS has a 
> line of exterior landscaping lights which will pretty much drive you QRT. 
> My neighbor has 10 of these in his yard.  They are dirty from HF to at 
> least 440mhz.  When his outdoor lights timer goes ON, I am OFF. I'd be 
> happy to post info on these again should someone care.  - Mike
>
> -----Original Message----- From: David C. Hallam
> Sent: Monday, February 10, 2014 1:48 PM
> To: rfi at contesting.com
> Subject: Re: [RFI] LED Bulbs
>
> I may have made an unwarranted conclusion, but I assumed the LED were
> substituted for halogen without any other changes.  I will see if I can
> get a clarification on that point.  Would a change in bulb types make
> any difference in the RFI being generated?
>
> David
> KW4DH
>
> On 2/10/2014 1:14 PM, Jim Brown wrote:
>> On 2/10/2014 11:07 AM, Dave Cole wrote:
>>> Who would have thought the LED's could radiate so far?
>>
>> It's not the LEDs, it's the wires (antennas) connected to the switching 
>> power supply for the LEDs. This should come as no surprise to any ham --  
>> switching power supplies are generators of RF trash, that puts RF current 
>> on those wires, and like any other antenna, those wires radiate the 
>> trash.
>>
>> Thank you VERY much for posting details of part numbers and vendors for 
>> the bad products.
>>
>> 73, Jim K9YC
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