HI Most of my little desktop cheap halogens got turned into LED's a while back. Forgot about them….
Bob On Sep 16, 2012, at 9:06 PM, Peter Gottlieb <[email protected]> wrote: > 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 <[email protected]> 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 >>> >>> >>> >>> _______________________________________________ >>> time-nuts mailing list -- [email protected] >>> To unsubscribe, go to >>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>> and follow the instructions there. >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> >> >> ----- >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 10.0.1424 / Virus Database: 2437/5271 - Release Date: 09/16/12 >> >> > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
