[Elecraft] normal K3 voltage drop on TX

Richard S. Leary w7lkg at comcast.net
Fri Aug 21 14:52:24 EDT 2015


PS here is Astron RS-35M, connected directly to K3/100 #4497. Xmit into 50W
dummy load
RX	13.9V @ 1.15A
TX (100W CW)	12.6V @ 19.62A 
Readings from K3 VFO "B" display of "V" and "A"
73, Rick W7LKG

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of hb9brj
Sent: Friday, August 21, 2015 08:23
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] normal K3 voltage drop on TX

Same PS here, but a RigRunner 4005 in between PS and K3.

RX                   13.5V @ 1.26A
TX (100W CW)  12.0V @ 17A

This yields a resistance of 95mOhms which I consider ok.

73, Markus HB9BRJ



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