At 02:57 PM 10/2/02 -0700, you wrote:
>There's this interesting circuit for driving white LEDs from 1.5V here:
>http://www.emanator.demon.co.uk/bigclive/joule.htm
>I've prototyped the circuit with various transformers, and it works
>quite nicely, generating pulse better than 20V with "dead" batteries
>as supply.  It claims to work down to .35V input (I don't see how this
>is possible, given Vbe, but...)

No problem, just don't expect it to *start* at 350mV..

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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