[Elecraft] KPA 100 Transistors

[Vic Rosenthal]

Lee Buller wrote:
> 
> Anyone have the specs on the power transistors for the KPA100?  Just
> interested as to what they are.  Also, the manual says they are
> "matched."  How is that done?

They are 2sc2879's, which are quite conservative for 100 watts.  I presume
they're matched by applying a fixed voltage to the collectors and a fixed bias
voltage and picking pairs that pass the same current.  I doubt that it's more
sophisticated than that, but I could be wrong.

73,
Vic, K2VCO
Fresno CA