[Elecraft] Filtering RFI from LED & flouresence Dimmer Switches

Bob McGraw K4TAX rmcgraw at blomand.net
Tue Jan 26 15:59:40 EST 2016


If you choose to use incandescent lamps in the garage door opener, 
choose the "heavy duty vibration resistant" bulbs.   These can also be 
found labeled as "ceiling fan" bulbs.  Seems that they have 3 or 4 wires 
supporting the filament as opposed to only two wires for the standard bulb.

73
Bob, K4TAX

On 1/26/2016 2:48 PM, Craig Smith wrote:
> Thanks, Bill.    I have the newer DC motor with Battery Backup Liftmaster, but I’m guessing the receivers might be similar.   Interestingly, in the new manual they actually recommend CFLs but warn against LED.  Obviously the front end of their receiver is not designed to Elecraft standards   ;>)
>
> 73  Craig   AC0DS
>
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