I've seen lots of halogen power supplies which use cheap switchers too!
On 9/16/2012 8:55 PM, Bob Camp wrote:
Hi
The thing that makes the CFL's nasty for lab use are the cheap little switchers
built into them. Conventional LED lights also have cheap little switchers in
them. Doing them with a 30% efficient linear regulator gets you back to halogen
type lumens per watt...
Bob
On Sep 16, 2012, at 8:09 PM, Tom Knox <act...@hotmail.com> wrote:
In this green era here in the USA there is a big push toward CFL lighting.
Problem is I can see my CFL lighting on my PN measurements and other equipment.
I am finding it is very noisy so I have started researching cost effective LED
lighting and was amazed at what is available. On eBay there are 10 to 100 watt
raw chips for $2-25.00 but that is equal to about 5 times the lumen of
incandescent lighting. I was going to try building the heat sinks and supply
into my existing bench fixtures.
I will post more info soon.
Thomas Knox
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