Jinx <joecolquitt <at> clear.net.nz> writes:

> http://home.clear.net.nz/pages/joecolquitt/luxeon_lamp.gif

Is that circuit fairly efficient ? Also, the voltage/current metering device
using Q3 and Q4 looks like it would introduce the Vgs of the open 2N7000s in
series with the measured voltage. No ?

Peter



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