[GreenKeys] Off Topic: Curly-Q light bulbs

[Sam Stinson]

The ones that use a switch mode power supply are noisy. Others just use a simple capacitive dropper and I suppose they produce not much more RF noise than an incandescent bulb.

> On Jun 9, 2018, at 13:54, Richard Knoppow <1oldlens1 at ix.netcom.com> wrote:
> 
>   Seems to vary with brand. I have both CFL and LED lamps that produce copious RFI and some that are very quiet. The LED in my bedroom is near an AM radio and completely blankets it. The lack of RFI is the one great advantage of incandescent lamps.
> 
>> On 6/9/2018 1:28 PM, Jim Haynes wrote:
>> Any info about RFI generation?  Important to us radio guys.
> 
> -- 
> Richard Knoppow
> 1oldlens1 at ix.netcom.com
> WB6KBL
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