On Wed, 01 Jun 2011 13:13 -0700, "Peter Loron" wrote:
> Hello. I'm contemplating building a set of linistepper boards. I don't=20
> have TIP122 power transistors on hand, but I do have others with similar=
=20
> or higher power ratings.

Make sure they are Darlington. The linistepper diagram just shows the
symbol for a regular bipolar transistor. But the TIP122 is a Darlington
and so you should not substitute a TIP41 or anything like that.


Cheers,

Bob

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