Re: ? on small battery operated fluorescents
- From: ehsjr <ehsjr@xxxxxxxxxxxxxxxxx>
- Date: Sat, 21 Feb 2009 06:39:58 GMT
Dave wrote:
Once purchased a small flashlight with a fluorescent (6") built into the side, and a switch that let you decide which one to turn on. Ran on 4 AA batteries, for several hours. Wife fell in love with it, but I fear it will not last forever (it has already lasted 20 years of intermittent use). Wondering if I could build her something similar, since I can't find anything like that at the sporting goods store any longer. I have a background in electronics and a workshop with a junkbox that won't quit. And patience. Unfortunately, Google doesn't seem to have what I am looking for readily accessible. Everything I see there seems to deal with household AC. I am guessing that a device such as I describe would make use of a switching power supply, but I have no idea what voltage would ultimately be used for an F4T5CW bulb. Or what frequency of alternating current (or whether alternating current would even be used.) Any ideas on where I could find info, and possibly schematics? This one would be eternally gratefull.
Many thanks,
Dave
120VAC. See:
http://www.newark.com/cec-industries/f4t5-cw/fluorescent-lamp/dp/85K9029
Ed
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