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List:       elecraft
Subject:    Re: [Elecraft] K144XV power output and tune mode
From:       "John Lemay" <john () carltonhouse ! eclipse ! co ! uk>
Date:       2014-03-31 7:57:28
Message-ID: C40E1C24FF26453282D7DFA67572763A () OwnerPC
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Hello

Mine is much the same - it can run from about 3w to 9w max. It would be
great to have a larger range of adjustment in a more linear progression.

John G4ZTR


-----Original Message-----
From: elecraft-bounces@mailman.qth.net
[mailto:elecraft-bounces@mailman.qth.net] On Behalf Of Pierfrancesco Caci
Sent: 30 March 2014 22:03
To: elecraft@mailman.qth.net
Subject: [Elecraft] K144XV power output and tune mode


Am I supposed to be able to set any arbitrary power level between 0 and
10W on the K144XV? It looks like I can't go below 4-5 W, and the
relation between drive and output looks like it's extremely non-linear. 

drive    output
0.1 mW   4.2 W
0.2 mW   6.6 W
0.3 mW   8.5 W
0.4 mW   9.5 W
0.5 mW   9.7 W
0.6 mW  10.0 W
0.7 mW  10.6 W
0.8 mW  10.6 W
0.9 mW  10.6 W
1.0 mW  10.6 W
1.5 mW  10.6 W

drive as indicated by the K3, output is measured with a W2 (but I got
similarly looking results with a Diamond).

Seems to me there's no point in using more than 0.6 mW drive.
Also, does the transverter have a concept of TUNE power? Changing power
while in TUNE seems to also change the normal power setting. 

Thanks for the attention

Pf

-- 
Pierfrancesco Caci, ik5pvx
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