[Elecraft] LED Lamps and HF RFI?

[Charlie T, K3ICH]

I have only a couple incandescent lamps and a few CFL's left in the whole 
house.  All the rest are various manufacturer's LED bulbs.  Most are bulb 
replacements with a medium screw in base, but a few are specialized "shop 
light" fixtures or ceiling lights.  To my knowledge, I have no RFI from any 
of them.  I hear no difference on any band when any of the lights are 
switched on or off.   I DO have a couple on dimmers which make some noise, 
but that's the dimmer, not the LED making the noise.

73, Charlie k3ICH


----- Original Message ----- 
From: "Craig Smith" <craig at powersmith.net>
To: "Dauer, Edward" <edauer at law.du.edu>
Cc: <elecraft at mailman.qth.net>
Sent: Monday, May 11, 2015 10:54 PM
Subject: Re: [Elecraft] LED Lamps and HF RFI?


You are wise, Ted, to be cautious about this.

As you implied, it is not the LEDs themselves but how they are driven.