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Re: (K3) with FL2100B amp

Posted by W8JI on Aug 19, 2010; 7:21pm
URL: http://elecraft.85.s1.nabble.com/K3-with-FL2100B-amp-tp5441509p5441775.html

Check the actual amp you are using, old is not enough to know voltage and
polarity on the relay line. :-)

The FL2100 and 2100B are negative low voltage.

The FL2100Z is positive low voltage with a huge current spike.

http://www.w8ji.com/fl2100_problems.htm

73 Tom

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