[RFI] warning on led bulb

[K1TTT]

Yeah I might... but do I really want to modify the track fixture to try to
filter a bulb that shouldn't make noise in the first place?  My intent was
to warn others that some of these led bulbs may be sources of noise.


David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
 

> -----Original Message-----
> From: Jim Brown [mailto:jim at audiosystemsgroup.com]
> Sent: Saturday, July 03, 2010 19:05
> To: Rfi
> Subject: Re: [RFI] warning on led bulb
> 
> On Fri, 02 Jul 2010 19:52:24 +0000, K1TTT wrote:
> 
> >I just tracked down a new birdie on 160m
> 
> Thanks Dave. You MIGHT be able to kill it with the combination of a
> ferrite
> choke and AC-rated capacitor across the choke on the line side. The choke
> kills the common mode, and the cap works with the leakage inductance to
> form a differential filter. In this application, you want to wind the
> choke
> with some asymetry so that there will be some leakage/imbalance for the
> cap
> to work with. This is something I picked up from Henry Ott.
> 
> 73, Jim Brown K9YC
> 
> 
> 
> _______________________________________________
> RFI mailing list
> RFI at contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi