>
> On Apr 24, 2008, at 8:51 AM, William "Chops" Westfield wrote:
>
>
> On Apr 24, 2008, at 2:29 AM, Apptech wrote:
>> LEDs are inherently technically easy to dim, either by
>> average current limiting (not preferred) or by PWM ing at
>> fixed peak current and variable duty cycle.
>
> We're not talking about ease-of-dimming; we're talking about ease of
> dimming WITH currently installed dimming technology, which has two
> problems:
> 1) it works by cutting off part of the AC cycle
> 2) the power to operate the dimming circuitry itself is derived by
> conduction THROUGH the lamps being dimmed.
> Neither of these is particularly compatible with either the preferred
> dimming methods for LEDs OR non-resistive loads in general...
>
> BillW

This is a question.  *Without regard to cost*, is it reasonable to  
rectify the AC mains and measure the RMS of the AC waveform and run a  
high current peak PWM cycle that is proportional to the RMS of the AC  
waveform ?
cc
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