[Elecraft] "Remoting the KPA100 into the EC2 Enclosure" Web Site Missing?

EricJ eric_csuf at hotmail.com
Thu Jul 11 14:32:17 EDT 2013


Don, W3FPR posted the information after my sig a couple weeks ago. I 
used it myself to remote a KPA/KAT100 into an EC2. I didn't save all the 
header info for the post, but it shouldn't be too hard to find it in the 
archives.

You didn't say whether you are including the KAT100 in the enclosure. I 
did and everything goes together fairly simply once you sketch it all 
out on paper first.

Eric
KE6US

"The KAT100-2 contains all the connectors for plugging in the 
KPA100(except for the speaker cable), connect the base K2 RF (the ANT1 
jack ifthe KAT2 is included) to the RF IN jack on the KAT100 and connect 
theKAT100 control cable between the KIO2 option in the base K2 and the 
DB-9jack on either the KAT100 or the KAT100.If you do not wish to use 
the KAT100, it is just as easy. Drill a holein the bottom of of the EC2 
enclosure (right rear area) to mount a BNCconnector. Solder an E620012 
header to the back of the BNC jack toprovide a connector to plug the 
KPA100 input coax into - you will have 2of those parts with the KPA100 
kit - they are normally used at K2 RF P3and P6. Make certain the 
orientation is correct, the center conductorof the input coax must 
connect to the BNC jack center conductor.Download the KAT100 manual from 
Elecraft and build the control cablethat is shown in that manual.Connect 
the base K2 RF output to the BNC jack on the EC2 enclosure andthe 
control cable to the DB-9 connector on the KPA100. The connectorwith 2 
cables must be plugged into the KIO2 if you use the connection tothe 
computer.Just one additional caution - do all the KPA100 alignment 
andcalibration and checkout while connected directly to the base K2 (no 
QRPtop cover), and check out the KAT100 using that same 
configuration.Once everything works in that configuration, move the 
KPA100 to the EC2and put the QRP top cover on the K2 - connect the 2 
cables between theK2 and EC2 and it should work OK." [W3FPR]

On 7/11/2013 11:04 AM, richardscott w wrote:
> I was just contemplating ordering the components to do this project
> and tried to find the referenced KK7P site
> (http://www.kk7p.com/k2kpa100.html) but it seems to have "gone away".
> Did anyone save the instructions?
> -Scott N3SW-
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