> >I've seen that term used when two complementary transistors (NPN to PNP
or
> >vice versa) are cascaded.  The collector of the first transistor is
> >connected to the base of the second.
>
> Isn't that the Sziklai or complementary Darlington?

Yes, I got my terms mixed up.  I used a cascode configuration in a
transmitter once, not knowing it had a special name.  The advantage was that
the transistors could be run at higher frequency because the miller effect
is nullified in both transistors.  It worked like a charm dumping 1MHz AM
into the power line.


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