At 03:10 PM 6/24/2004 -0700, Harold Hallikainen wrote:
>The two terminal restriction is because I have no power supply available,
>just the 0-10VDC signal that needs to power the LED.

Ok, you were putting unneeded restrictions in place.
One option is to power your constant current circuit above the LED, so that
it's Vf isn't subtracted from the operating range.

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