Posted by
Marteinn Sverrisson on
Mar 11, 2007; 8:52pm
URL: http://elecraft.85.s1.nabble.com/Re-BFO-oscillator-level-tp444718.html
Thanks Don and Jack for the info,
Don,
I did ground Xtals X3 and X4 at the base (they where grounded on the top),
flush cut all leads on the mixer and if amp circuits. No change.
Both LSB and USB lit 1 led when I turn the K2 on, and then after abt 5
min, then on USB the second led will turn on, but on LSB no change.
Maybe this indicates a bad IC, either the mixer or if amp?
Jack,
I guess that not all K2 are born equal, as you mention the BFO
leakage varying up to 10dB, between rigs. Probably some 602 and 1350 have
better (higher) revese isolation than others.
This BFO leakage is not a big issue for me, just a little annoying.
thanks and 73, Matti
--
Marteinn Sverrisson TF3MA
Langitangi 2 Internet: tf3ma [at] raunvis [dot] hi [dot] is
270 Mosfellsbær
http://www.raunvis.hi.is/~tf3ma Iceland
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