[Elecraft] KPA3 for QRP

[Brett Howard]

>>> People talk about the extra current drain.  How much is it?

If you go by what W0CZ measured you get this:

The current tests before I put in the KPA3.
Receive 0.94 to 1.1 A
TX (NO POWER) 1.56 A
TX 5W 2.56 A
TX 10W 3.07 A
TX 12W 3.23 A

The same test after the KPA3 was installed, Set up and working fine.
Receive 0.94 to 1.1 A
TX (NO POWER 2.16 A
TX 5W 3.10 A
TX 10W 3.62 A
TX 12W 3.78 A