[Elecraft] KPA100 Questions

[John Grebenkemper, KI6WX]

Doug


> Whoope! The KPA100 showed up today and now I'm deep in
> manual reading and parts inventory. A couple of questions occur:
>
> (1). Is there any particular reason for specifying an 800 deg
>       soldering iron tip as opposed to the 700 deg tip for the
>       basic K2?

Most of the KPA100 can be built with the same soldering iron you used on the
K2.  Soldering the output transistors and input and output transformers will
require a soldering iron that has good temperature regulation (Hakko,
Metcal, etc) or a higher wattage iron.  My regular iron which is temperature
regulated was able to handle all of the soldering on the KPA100.
>
> (2). Should the higher wattage iron (soldering gun?) be used
>        only on the Q1/Q2 emitter pads/tabs or on the C and B
>        tabs also. Or will the regular iron be adequate ?
>
You could use a soldering gun on the emitter tabs if your regular iron can't
provide enough heat, but be careful not leave the soldering iron on this
area too long (5-10 seconds should be more than enough time to get a good
joint).

-John
 KI6WX