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04/22/10 03:57
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#175249 - joule thief
Looks interesting but the posters on the associated talk page seem curious as to whether it is correct or actually used much.

http://en.wikipedia.org/wiki/Category:Open_hardware

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http://en.wikipedia.org/wiki/Joule_thief

"Joule thief" is a nickname for a simple switched-mode power supply that is easy to build and can use nearly all of the energy in a battery, even far beyond the point where other circuits consider the battery "dead". The circuit uses a variant of the blocking oscillator as an unregulated boost mode switching power supply.

The voltage increase with a joule thief works similar to how a nickel-cadmium rechargeable battery retains its voltage for a good bit of its run.[dubious – discuss][citation needed]

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http://en.wikipedia.org/wiki/Talk:Joule_thief



List of 8 messages in thread
TopicAuthorDate
joule thief            01/01/70 00:00      
   Yes...            01/01/70 00:00      
      you could even stick it through spice.            01/01/70 00:00      
         Better how ?            01/01/70 00:00      
   It's a sound idea - but a stupid name!            01/01/70 00:00      
      a fact often overlooked by people proud of their design            01/01/70 00:00      
         RE: a fact often overlooked...            01/01/70 00:00      
      Though maybe not a good implementation            01/01/70 00:00      

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