Larry,
I have the same combination (KX3 + KXPA100) and my KX3 drives the amp
fully with output of 5 to 7w. Takes more drive on 6m. Each
band takes a different drive level. It seems to me that does not
track between bands. I have to manually change the drive level.
But then I am not controlling the KXPA100 with the control line and
only using PTT. When mobile I use the RJ45 connection.
Most of the time my KX3 is on either 6m or 2m. I use my K3 for HF or
with transverters for VHF+.
I have used the 3-dB attenuator on occasion when I want to drive very
low (getting 11w output for driving my 6m 1000w amp). The KX3 or
K3/10 only give me 8w max on 6m so need the KXPA100 as a driver.
73, Ed - KL7UW
From: Larry Naumann
To: elecraft@mailman.qth.net
Subject: [Elecraft] KXPA100 amp and ATTN switch
Message-ID: <909178d7-fe1b-4995-9383-a86cab441...@att.net>
Content-Type: text/plain; charset=us-ascii
I just connected my new KXPA100 to my KX3 via a home-brew KX3-KXPA100
Adapter Cable.
Everything works just fine if I have the 3dB attenuator switch set to IN.
I fI set it to OUT/AUTO as described in the manual I end up
overdriving the amp, meaning the power out is much higher
than set on the KX3.
All the other functions work just fine.
Anyone have any ideas?
Larry
n0sa
73, Ed - KL7UW
http://www.kl7uw.com
Dubus-NA Business mail:
dubus...@gmail.com
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