I run my K2 from a 4S1P LiFePO4 pack. I ultimately sold my KPA100 and
KAT100, I use the K2 QRP-ish in field activities and it is indeed a
hassle. A warning to anyone who does swap the tops:
There are two 2-wire Molex connectors from the KAT2 to the K2 RF board.
One feeds RF to the tuner, the other 12 VDC. The cable lengths from
the KAT2 are such that either cable will reach to either socket on the
RF board. The two connectors are identical. If they are exchanged, the
shield on the coax feeding RF to the KAT2 ends up on the 12 VDC pin.
This should only be done if you decide to re-purpose a power trace on
the board to become a fuse.
73,
Fred K6DGW
- Northern California Contest Club
- CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
- www.cqp.org
On 12/18/2014 7:21 PM, Matt VK2RQ wrote:
Below are some pros/cons of the different options.
can’t put the 20W QRP ATU
in the K2 enclosure (need to swap lids, which is a hassle), battery
option, etc. (actually, I would prefer to run the K2 off external
LiFePO4 batteries rather than put an SLA inside)
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