[Elecraft] Dimmable LED desk lamp for operating position
Dave B
g8kbvdave at googlemail.com
Mon Jan 9 04:19:09 EST 2017
On 07/01/17 22:00, David Woolley wrote:
> Some cheap mains operated lamps use capacitive droppers followed by
> rectifier and resistive current limiter. They are the type likely to be
> sold in one dollar stores, or on Ebay.
At least they are RF quiet! I have several in our house. No failures
yet in over a year either.
And we run on 240V 50Hz.
73.
Dave G0WBX.
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