Hi Richard,
While we do test and align the PCB boards identically on the kit and
factory assembled KX3s, we do further testing on the assembled units to
insure that we built them perfectly.
Assembled KX3s are given an preliminary TX and RX test after assembly,
followed by a multi-hour burn in rack test. There under computer control
we stress test the KX3 by transmitting key down on each band while
checking temperature, current and power out and also check tuning of the
ATU on each band. This occurs in a repetitive fashion - cycling through
the bands - for a minimum of 8 hours. After passing burn-in, the
assembled KX3 goes to final test on a technicians lab bench, where we
test all RX and TX parameters on all bands, including RX sensitivity, TX
power, Current drain in TX, TX IMD etc. We also do tests on the SSB
audio, CW keying, receive audio and a number of other parameters. Each
added option is also tested in the KX3.
In general we see few failures in burn-in or final test, due to our
extensive testing of the PC boards before assembly (and before packaging
them into kits).
73,
Eric
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www.elecraft.com
On 1/4/2013 12:01 PM, Richard wrote:
Hello,
I will purchase a new KX3 from Elecraft Sales in a week or two.
If the factory testing upon final assembly is more comprehensive than
what is in the kit assembly manual, it might persuade me to buy the
Factory Assembled version. Is any extra factory testing performed?
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