[RFI] Cree LED Bulbs?

[Cortland Richmond]

On 3/11/2013 2125, Cortland Richmond wrote:
> On 3/11/2013 1952, Mike Ryan wrote:
>> The landscaping lights turn out to be 12 volt AC powered and not 12 
>> volt DC powered.  All the suggestions about a car battery and/or an 
>> Astron or other linear power supply now go out the window.  -M
>>
>
> But the converter is still very likely a switch-type converter; 
> modern-day efficiency rules often rule out transformers on account of 
> core losses.
>
>
> Cortland Richmond
> KA5S
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And even if it does use a linear 12VAC transformer, the LED's themselves 
require a constant current source -- and probably incorporate switching 
regulators at each fixture. Have you contacted the system maker?


Cortland
KA5S