> check doesn't like it either. Does anybody know what "cascoded" is and how it
> relates to "cascaded"?

If you want to get the most accuracy out of a transistor, keeping the
collector-emitter voltage constant is best. To cascode a transistor is to
attach another transistor in the collector, wired common-base. In other
words, transistor 2 needs a voltage reference for its base, has its
emitter connected to the collector of transistor 1.

Then transistor 2 does all the dirty work, but transistor 1 feels a
constant collector voltage so is very fast and accurate gain-wise.

Both transistors are the same polarity.

Cheerful regards,

Bob Blick

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