[Elecraft] KPA100 Elimination?

[Fred (FL)]

My original inquiry concerned my options, with a
new K2 build - for adding some more power later down
the pike.  I've always liked separate items; xcvr,
tuner, metering, and amplifiers.  In some way - the
way I upgrade frequently - its easier with all the
pieces, for me to swap/sell out a single item
easier.  And I'm just not nuts about adding a KPA100
on top cover of my neat little QRP K2 rig.  I'd guess
I want to give the K2 all the chance I can, with
having as little RF interaction with a large pcb
amplifier sitting 2" above the K2 plane.  Having had
done hundreds, no thousands, of CAD runs on analog
circuits in my previous life - there are such things
as R/L/C/S/F interactions and optimums.  Perhaps
the K2's digital makeup - helps this.

I really don't understand all that is involved in
moving a KPA100 outside to a separate box.  Looks like
my options are to build that new K2, and wait out the
vendors - impacted by the latest FCC rulings.  I
understand there is a DB increase limit, over what the
base K2 outputs.  Perhaps that will limit my external
choices.  Does anyone know the DB
increase, from 10W PEP to 100W PEP?

What is driving me is the chance, in the future, to
be able to swap out any item in the
xcvr/tuner/amp/antenna string.  Affordably, or with
alternative backup items.

Thanks,
Fred N3CSY

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