Alan B. Pearce wrote:

> The only way around this is to bring the first transistor collector out
> separately, and supply it from a voltage higher than the second transistor
> Vbe(sat) plus first transistor Vce(sat). This then means the second
> transistor Vce(sat) is not dependant on any characteristics of its own
> Vbe(sat) or the first transistor Vce(sat).

Which probably wouldn't then be a Darlington anymore -- just a two-stage
amplifier/switcher.

Gerhard

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